Total babies named Petrona (all years): 378
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 45 / #3476 / 0.003% |
| 2023 | 21 / #5898 / 0.001% |
| 2022 | 16 / #7214 / 0.001% |
| 2021 | 24 / #5364 / 0.001% |
| 2020 | 26 / #4973 / 0.002% |
| 2019 | 19 / #6361 / 0.001% |
| 2018 | 12 / #9026 / 0.001% |
| 2017 | 16 / #7353 / 0.001% |
| 2016 | 13 / #8758 / 0.001% |
| 2015 | 12 / #9353 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 2014 | 5 / #18563 / 0.000% |
| 2013 | 8 / #12885 / 0.000% |
| 2012 | 11 / #10259 / 0.001% |
| 2011 | 11 / #10232 / 0.001% |
| 2010 | 10 / #11055 / 0.001% |
| 2009 | 8 / #13390 / 0.000% |
| 2008 | 7 / #15012 / 0.000% |
| 2007 | 9 / #12414 / 0.000% |
| 2006 | 7 / #14755 / 0.000% |
| 2005 | 12 / #9314 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 2004 | 7 / #13834 / 0.000% |
| 2003 | 9 / #11108 / 0.000% |
| 2002 | 6 / #14944 / 0.000% |
| 2001 | 9 / #10795 / 0.001% |
| 2000 | 7 / #12808 / 0.000% |
| 1998 | 10 / #9104 / 0.001% |
| 1997 | 5 / #15495 / 0.000% |
| 1995 | 7 / #11435 / 0.000% |
| 1993 | 5 / #15129 / 0.000% |
| 1991 | 6 / #12657 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1990 | 5 / #14587 / 0.000% |
| 1987 | 5 / #12679 / 0.000% |
| 1913 | 5 / #3596 / 0.001% |