Birth Years for USA (based on 6503 entries)
1870-1899: 0
1900-1909: 1
1910-1919: 0
1920-1929: 0
1930-1939: 45
1940-1949: 156
1950-1954: 71
1955-1959: 89
1960-1964: 162
1965-1969: 297
1970-1974: 382
1975-1979: 467
1980-1984: 597
1985-1989: 702
1990-1994: 641
1995-1999: 449
2000-2004: 401
2005-2009: 323
2010-2014: 319
2015-2019: 276