Total babies named Bertel (all years): 115
| Year | Boys (count / rank / %) |
|---|---|
| 1944 | 5 / #3476 / 0.000% |
| 1942 | 5 / #3614 / 0.000% |
| 1938 | 5 / #3568 / 0.000% |
| 1933 | 5 / #3696 / 0.001% |
| 1930 | 5 / #4049 / 0.000% |
| 1928 | 6 / #3748 / 0.001% |
| 1926 | 7 / #3421 / 0.001% |
| 1923 | 6 / #3861 / 0.001% |
| 1921 | 7 / #3560 / 0.001% |
| 1920 | 10 / #2789 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1919 | 7 / #3431 / 0.001% |
| 1918 | 8 / #3133 / 0.001% |
| 1917 | 7 / #3253 / 0.001% |
| 1916 | 12 / #2277 / 0.001% |
| 1915 | 8 / #2851 / 0.001% |
| 1914 | 7 / #2676 / 0.001% |
| 1913 | 5 / #2864 / 0.001% |