Year	Number
1991	132851
1992	131808
1993	129116
1994	131590
1995	133087
1996	136443
1997	142601
1998	150158
1999	156527
2000	161820
2001	167547
2002	172932
2003	176043
2004	177549
2005	179409
2006	181791
2007	184940
2008	188013
2009	191254
2010	194539
2011	198551
2012	202701
2013	207030
2014	211481
2015	215965
2016	220911
2017	225672
2018	230329
2019	234947
2020	235554
2021	240479
2022	249967
2023	255564