Year	Number
1998	3572448
1999	3641336.5
2000	3664389
2001	3697213.75
2002	3672875
2003	3644427.25
2004	3512401.5
2005	3363360.5
2006	3359212.5
2007	3323789
2008	3233268.5
2009	3185923.75
2010	3136994.25
2011	3107269.25
2012	3111244.75
2013	3203005.5
2014	3258078.25
2015	3302996
2016	3436432.75
2017	3479681.25
2018	3542244.75
2019	3583919.25
2020	3190522.25
2021	3723678.25
2022	3799928