Total babies named Tra (all years): 248
| Year | Boys (count / rank / %) |
|---|---|
| 2007 | 6 / #12220 / 0.000% |
| 2006 | 6 / #11927 / 0.000% |
| 2005 | 5 / #13196 / 0.000% |
| 2004 | 12 / #6487 / 0.001% |
| 2003 | 10 / #7200 / 0.001% |
| 2002 | 6 / #10545 / 0.000% |
| 2001 | 13 / #5644 / 0.001% |
| 2000 | 11 / #6271 / 0.001% |
| 1999 | 15 / #4738 / 0.001% |
| 1998 | 10 / #6276 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1997 | 6 / #9168 / 0.000% |
| 1996 | 11 / #5503 / 0.001% |
| 1995 | 17 / #3833 / 0.001% |
| 1994 | 22 / #3205 / 0.001% |
| 1993 | 27 / #2687 / 0.001% |
| 1992 | 34 / #2251 / 0.002% |
| 1991 | 8 / #6469 / 0.000% |
| 1990 | 9 / #5780 / 0.000% |
| 1988 | 6 / #7196 / 0.000% |
| 1987 | 7 / #6041 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1983 | — |