Year	Number
1970	372944.59375
1971	376734.5625
1972	394809.59375
1973	406953.71875
1974	411989.84375
1975	470061.5625
1976	500064.78125
1977	517790.90625
1978	532421
1979	543538.625
1980	562453.75
1981	539781.0625
1982	537825.5625
1983	539988.8125
1984	538230.125
1985	550577.3125
1986	557640.5625
1987	559439.1875
1988	567656.8125
1989	557565.8125
1990	561045.0625
1991	565494.375
1992	562354.375
1993	554422.875
1994	572177.9375
1995	592491.375
1996	614103
1997	634938.25
1998	559754.375
1999	572548.9375
2000	579918.875
2001	587152.9375
2002	585961.5
2003	581032.0625
2004	594933.125
2005	600408.9375
2006	607097.8125
2007	614322.5
2008	620652.125
2009	622944.25
2010	619544.125
2011	620667.5625
2012	605863.0625
2013	586062.25
2014	579847.875
2015	566645.8125
2016	572950.625
2017	560320.125
2018	552725.75
2019	561569.375
2020	551894.5
2021	540177.375
2022	538453.6875