1870s: 3
1880s: 6
1890s: 40
1900s: 233
1910s: 73
1920s: 138
1930s: 180
1940s: 287
1950s: 455
1960s: 645
1970s: 871
1980s: 821
1990s: 963
2000s: 1,513
2010s: 2,731
2020s: 1,234
1870s: 3
1880s: 6
1890s: 40
1900s: 233
1910s: 73
1920s: 138
1930s: 180
1940s: 287
1950s: 455
1960s: 645
1970s: 871
1980s: 821
1990s: 963
2000s: 1,513
2010s: 2,731
2020s: 1,234