Year	Number
1990	289264
1991	300362
1992	288713
1993	289640
1994	291224
1995	291803
1996	291006
1997	288374
1998	286139
1999	279253
2000	274433
2001	270026
2002	266062
2003	265391
2004	261628
2005	263544
2006	252568
2007	248582
2008	254911
2009	239635
2010	242463
2011	229988
2012	225815
2013	222228
2014	217308
2015	213736
2016	208337
2017	203663
2018	198996
2019	194711
2020	190176
2021	186384
2022	182968