Year	Number
1991	221874
1992	215226
1993	221154
1994	266076
1995	252302
1996	252458
1997	256624
1998	255976
1999	255943
2000	180306
2001	176302
2002	155423
2003	143822
2004	134664
2005	125149
2006	121502
2007	127546
2008	121841
2009	114528
2010	101819
2011	136716
2012	138470
2013	140638
2014	142517
2015	144549
2016	148481
2017	152134
2018	153415
2019	154409
2020	154905
2021	155673
2022	155801