Year	Number
1989	1342
1990	1585
1991	1419
1992	1423
1993	1801
1994	1855
1995	1972
1996	2032
1997	2017
1998	1909
1999	1785
2000	1627
2001	1526
2002	1396
2003	1302
2004	1270
2005	1246
2006	1223
2007	1259
2008	1252
2009	1238
2010	1283
2011	1265
2012	1242
2013	1236
2014	1254
2015	1203
2016	1190
2017	1197
2018	1183
2019	1375
2020	1394
2021	1395
2022	1280