Year	Number
1991	44331
1992	45073
1993	45846
1994	46333
1995	47053
1996	47569
1997	48119
1998	48652
1999	49105
2000	49481
2001	49819
2002	50284
2003	50741
2004	51040
2005	51276
2006	51683
2007	52002
2008	52301
2009	52466
2010	52522
2011	52595
2012	52661
2013	52680
2014	52692
2015	52739
2016	52749
2017	52771
2018	52888
2019	52886
2020	51085
2021	51715
2022	52818
2023	53060