Year	Number
1989	1342
1990	1585
1991	1419
1992	1423
1993	1801
1994	1855
1995	1972
1996	2032
1997	2016
1998	1907
1999	1784
2000	1626
2001	1525
2002	1395
2003	1301
2004	1269
2005	1245
2006	1222
2007	1257
2008	1250
2009	1236
2010	1281
2011	1260
2012	1239
2013	1236
2014	1254
2015	1197
2016	1190
2017	1197
2018	1179
2019	1371
2020	1390
2021	1395
2022	1280