Year	Number
1990	1733
1991	1839
1992	1940
1993	2022
1994	2116
1995	2196
1996	2289
1997	2379
1998	2404
1999	2491
2000	2575
2001	2645
2002	2661
2003	2773
2004	2887
2005	2992
2006	3096
2007	3229
2008	3374
2009	3534
2010	3689
2011	3850
2012	4012
2013	4167
2014	4315
2015	4440
2016	4545
2017	4657
2018	4729
2019	4785
2020	4830
2021	4881
2022	4902