Year	Number
1990	90758
1991	60794
1992	218586
1993	230380
1994	164517
1995	305326
1996	350996
1997	380732
1998	364015
1999	375295
2000	353399
2001	307351
2002	322508
2003	275075
2004	248917
2005	168659
2006	131728
2007	119129
2008	112647
2009	90719
2010	78620
2011	74614
2012	73458
2013	59415
2014	49352
2015	42148
2016	35328
2017	34432
2018	34374
2019	34187
2020	34277
2021	28618
2022	27571
2023	25171