Total babies named Petr (all years): 109
| Year | Boys (count / rank / %) |
|---|---|
| 2019 | 5 / #13623 / 0.000% |
| 2018 | 6 / #11789 / 0.000% |
| 2017 | 5 / #13746 / 0.000% |
| 2016 | 6 / #11775 / 0.000% |
| 2014 | 12 / #6955 / 0.001% |
| 2012 | 10 / #7985 / 0.001% |
| 2008 | 6 / #12189 / 0.000% |
| 2007 | 6 / #11993 / 0.000% |
| 2005 | 7 / #9869 / 0.000% |
| 2004 | 5 / #12737 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2003 | 9 / #7679 / 0.000% |
| 2002 | 9 / #7474 / 0.000% |
| 2000 | 6 / #10011 / 0.000% |
| 1999 | 7 / #8484 / 0.000% |
| 1995 | 5 / #9921 / 0.000% |
| 1975 | 5 / #6076 / 0.000% |