Year	Number
1990	2218067
1991	2069584
1992	1866700
1993	1751961
1994	1657965
1995	1571677
1996	1483416
1997	1394360
1998	1307723
1999	1225819
2000	1164411
2001	1094471
2002	1014841
2003	948572
2004	905611
2005	851855
2006	810539
2007	773108
2008	738764
2009	703820
2010	665523
2011	633142
2012	611574
2013	583028
2014	552108
2015	520726
2016	494288
2017	468019
2018	436219
2019	405057
2020	377077
2021	350311
2022	332153