Year	Number
1990	2023
1991	2131
1992	2210
1993	2267
1994	2301
1995	2324
1996	2346
1997	2377
1998	2418
1999	2458
2000	2506
2001	2567
2002	2657
2003	2764
2004	2871
2005	2955
2006	2993
2007	2989
2008	2952
2009	2899
2010	2845
2011	2802
2012	2783
2013	2790
2014	2831
2015	2886
2016	2919
2017	2909
2018	2874
2019	2834
2020	2811
2021	2833
2022	2885