Latest years first · counts are girls + boys combined (split shown in table).
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2024 | 253 | 253/0 | 14,734 | 14,718/16 |
| 2023 | 202 | 202/0 | 15,319 | 15,313/6 |
| 2022 | 210 | 210/0 | 16,670 | 16,654/16 |
| 2021 | 205 | 205/0 | 17,850 | 17,841/9 |
| 2020 | 197 | 197/0 | 17,695 | 17,682/13 |
| 2019 | 162 | 162/0 | 18,581 | 18,569/12 |
| 2018 | 216 | 216/0 | 18,064 | 18,055/9 |
| 2017 | 177 | 177/0 | 18,789 | 18,777/12 |
| 2016 | 179 | 179/0 | 19,425 | 19,409/16 |
| 2015 | 192 | 192/0 | 19,735 | 19,726/9 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2014 | 196 | 196/0 | 19,859 | 19,836/23 |
| 2013 | 177 | 177/0 | 18,477 | 18,453/24 |
| 2012 | 141 | 141/0 | 17,350 | 17,332/18 |
| 2011 | 167 | 167/0 | 17,351 | 17,334/17 |
| 2010 | 135 | 135/0 | 17,065 | 17,037/28 |
| 2009 | 150 | 150/0 | 17,461 | 17,443/18 |
| 2008 | 141 | 141/0 | 17,118 | 17,087/31 |
| 2007 | 134 | 134/0 | 16,605 | 16,588/17 |
| 2006 | 138 | 138/0 | 15,524 | 15,507/17 |
| 2005 | 135 | 135/0 | 15,722 | 15,699/23 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2004 | 140 | 140/0 | 16,181 | 16,108/73 |
| 2003 | 148 | 148/0 | 16,176 | 16,154/22 |
| 2002 | 129 | 129/0 | 14,647 | 14,630/17 |
| 2001 | 154 | 154/0 | 13,988 | 13,977/11 |
| 2000 | 176 | 176/0 | 12,861 | 12,855/6 |
| 1999 | 183 | 183/0 | 11,275 | 11,257/18 |
| 1998 | 197 | 197/0 | 10,626 | 10,610/16 |
| 1997 | 189 | 189/0 | 9,491 | 9,479/12 |
| 1996 | 217 | 217/0 | 8,137 | 8,125/12 |
| 1995 | 236 | 236/0 | 7,638 | 7,626/12 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1994 | 276 | 276/0 | 6,442 | 6,432/10 |
| 1993 | 292 | 292/0 | 6,350 | 6,343/7 |
| 1992 | 296 | 296/0 | 5,825 | 5,811/14 |
| 1991 | 346 | 346/0 | 5,611 | 5,602/9 |
| 1990 | 406 | 406/0 | 4,643 | 4,628/15 |
| 1989 | 399 | 399/0 | 2,469 | 2,439/30 |
| 1988 | 401 | 395/6 | 2,150 | 2,141/9 |
| 1987 | 441 | 436/5 | 1,711 | 1,700/11 |
| 1986 | 408 | 408/0 | 1,241 | 1,234/7 |
| 1985 | 507 | 502/5 | 1,025 | 1,025/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1984 | 504 | 504/0 | 1,173 | 1,166/7 |
| 1983 | 570 | 564/6 | 1,089 | 1,089/0 |
| 1982 | 635 | 635/0 | 1,127 | 1,127/0 |
| 1981 | 669 | 662/7 | 1,031 | 1,024/7 |
| 1980 | 658 | 658/0 | 1,121 | 1,116/5 |
| 1979 | 710 | 710/0 | 1,260 | 1,254/6 |
| 1978 | 714 | 714/0 | 1,317 | 1,312/5 |
| 1977 | 813 | 808/5 | 1,112 | 1,105/7 |
| 1976 | 914 | 908/6 | 1,239 | 1,233/6 |
| 1975 | 1,029 | 1,021/8 | 1,058 | 1,049/9 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1974 | 1,141 | 1,131/10 | 512 | 507/5 |
| 1973 | 1,337 | 1,322/15 | 360 | 360/0 |
| 1972 | 1,364 | 1,364/0 | 345 | 345/0 |
| 1971 | 1,774 | 1,764/10 | 335 | 335/0 |
| 1970 | 1,973 | 1,965/8 | 349 | 349/0 |
| 1969 | 2,149 | 2,135/14 | 348 | 348/0 |
| 1968 | 2,152 | 2,133/19 | 324 | 324/0 |
| 1967 | 2,556 | 2,543/13 | 347 | 347/0 |
| 1966 | 2,966 | 2,946/20 | 334 | 334/0 |
| 1965 | 3,585 | 3,567/18 | 442 | 442/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1964 | 4,085 | 4,070/15 | 425 | 425/0 |
| 1963 | 4,168 | 4,154/14 | 448 | 448/0 |
| 1962 | 4,779 | 4,764/15 | 428 | 428/0 |
| 1961 | 5,598 | 5,583/15 | 435 | 435/0 |
| 1960 | 6,530 | 6,501/29 | 484 | 484/0 |
| 1959 | 7,335 | 7,313/22 | 489 | 489/0 |
| 1958 | 7,746 | 7,715/31 | 557 | 557/0 |
| 1957 | 8,510 | 8,479/31 | 521 | 521/0 |
| 1956 | 9,252 | 9,218/34 | 542 | 536/6 |
| 1955 | 9,946 | 9,925/21 | 604 | 604/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1954 | 10,656 | 10,620/36 | 645 | 645/0 |
| 1953 | 11,394 | 11,369/25 | 620 | 620/0 |
| 1952 | 12,170 | 12,129/41 | 694 | 694/0 |
| 1951 | 12,861 | 12,822/39 | 665 | 665/0 |
| 1950 | 13,645 | 13,614/31 | 769 | 769/0 |
| 1949 | 14,972 | 14,937/35 | 854 | 854/0 |
| 1948 | 16,668 | 16,625/43 | 848 | 848/0 |
| 1947 | 19,009 | 18,964/45 | 857 | 857/0 |
| 1946 | 19,757 | 19,710/47 | 728 | 728/0 |
| 1945 | 18,452 | 18,390/62 | 621 | 621/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1944 | 19,834 | 19,760/74 | 735 | 730/5 |
| 1943 | 21,685 | 21,596/89 | 694 | 694/0 |
| 1942 | 21,770 | 21,659/111 | 748 | 742/6 |
| 1941 | 21,025 | 20,904/121 | 593 | 587/6 |
| 1940 | 22,192 | 22,077/115 | 540 | 540/0 |
| 1939 | 23,772 | 23,642/130 | 428 | 428/0 |
| 1938 | 25,615 | 25,505/110 | 445 | 445/0 |
| 1937 | 25,459 | 25,337/122 | 398 | 393/5 |
| 1936 | 25,983 | 25,867/116 | 381 | 381/0 |
| 1935 | 28,826 | 28,675/151 | 371 | 365/6 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1934 | 31,258 | 31,088/170 | 359 | 359/0 |
| 1933 | 31,687 | 31,531/156 | 375 | 370/5 |
| 1932 | 34,589 | 34,420/169 | 399 | 399/0 |
| 1931 | 36,256 | 36,105/151 | 387 | 380/7 |
| 1930 | 38,394 | 38,238/156 | 410 | 402/8 |
| 1929 | 36,810 | 36,677/133 | 465 | 458/7 |
| 1928 | 36,202 | 36,083/119 | 442 | 442/0 |
| 1927 | 35,528 | 35,423/105 | 499 | 499/0 |
| 1926 | 33,055 | 32,964/91 | 466 | 466/0 |
| 1925 | 32,896 | 32,812/84 | 532 | 527/5 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1924 | 30,668 | 30,600/68 | 507 | 501/6 |
| 1923 | 26,046 | 25,990/56 | 535 | 528/7 |
| 1922 | 20,929 | 20,894/35 | 536 | 536/0 |
| 1921 | 17,675 | 17,638/37 | 502 | 502/0 |
| 1920 | 14,041 | 14,016/25 | 523 | 523/0 |
| 1919 | 10,125 | 10,106/19 | 471 | 471/0 |
| 1918 | 8,824 | 8,803/21 | 466 | 466/0 |
| 1917 | 6,648 | 6,639/9 | 476 | 476/0 |
| 1916 | 5,144 | 5,136/8 | 446 | 446/0 |
| 1915 | 4,192 | 4,181/11 | 372 | 372/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1914 | 2,943 | 2,933/10 | 340 | 340/0 |
| 1913 | 2,246 | 2,240/6 | 287 | 287/0 |
| 1912 | 2,011 | 2,011/0 | 285 | 285/0 |
| 1911 | 1,456 | 1,456/0 | 191 | 191/0 |
| 1910 | 1,394 | 1,389/5 | 211 | 211/0 |
| 1909 | 1,087 | 1,082/5 | 179 | 179/0 |
| 1908 | 1,135 | 1,128/7 | 181 | 181/0 |
| 1907 | 1,023 | 1,018/5 | 171 | 171/0 |
| 1906 | 865 | 865/0 | 181 | 181/0 |
| 1905 | 812 | 807/5 | 153 | 153/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1904 | 715 | 707/8 | 157 | 157/0 |
| 1903 | 596 | 596/0 | 130 | 130/0 |
| 1902 | 580 | 580/0 | 130 | 130/0 |
| 1901 | 473 | 473/0 | 126 | 126/0 |
| 1900 | 665 | 665/0 | 167 | 167/0 |
| 1899 | 410 | 410/0 | 110 | 110/0 |
| 1898 | 421 | 421/0 | 141 | 141/0 |
| 1897 | 367 | 367/0 | 131 | 131/0 |
| 1896 | 342 | 342/0 | 114 | 114/0 |
| 1895 | 350 | 350/0 | 117 | 117/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1894 | 298 | 298/0 | 127 | 127/0 |
| 1893 | 298 | 298/0 | 107 | 107/0 |
| 1892 | 255 | 255/0 | 101 | 101/0 |
| 1891 | 239 | 239/0 | 66 | 66/0 |
| 1890 | 216 | 216/0 | 85 | 85/0 |
| 1889 | 189 | 189/0 | 100 | 100/0 |
| 1888 | 214 | 214/0 | 71 | 71/0 |
| 1887 | 178 | 178/0 | 69 | 69/0 |
| 1886 | 167 | 167/0 | 72 | 72/0 |
| 1885 | 155 | 155/0 | 59 | 59/0 |
| Year | Betty (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1884 | 144 | 144/0 | 54 | 54/0 |
| 1883 | 120 | 120/0 | 46 | 46/0 |
| 1882 | 123 | 123/0 | 52 | 52/0 |
| 1881 | 112 | 112/0 | 51 | 51/0 |
| 1880 | 117 | 117/0 | 44 | 44/0 |