portal
- 1895 to 1899 4
- 1900 to 1909 59
- 1910 to 1919 351
- 1920 to 1929 727
- 1930 to 1939 1,116
- 1940 to 1949 1,129
- 1950 to 1959 1,376
- 1960 to 1969 1,963
- 1970 to 1979 2,877
- 1980 to 1989 13,754
- 1990 to 1999 7,657
- 2000 to 2009 1,054
- 2010 to 2019 197
- 2020 to 2021 7