Year	Number
1980	510139.875
1993	583770.0625
1994	581318.9375
1995	566212.375
1996	567199.0625
1997	571484.25
1998	567375.5625
1999	547339
2000	535662.75
2001	515220
2002	482745.5
2003	453595.03125
2004	445586.34375
2005	440033.8125
2006	432093
2007	430623
2008	430727
2009	428992
2010	425774
2011	397050
2012	394887
2013	396932
2014	396556.4375
2015	407843.96875
2016	420477.5
2017	421191.0625
2018	482907.1875
2019	454465.9375
2020	337365.78125
2021	334295.96875
2022	332419.1875