Year	Number
1985	47000
1989	55000
1990	58000
1991	45000
1992	45000
1993	45000
1994	45000
1995	383000
1996	429000
1997	429000
1998	400000
1999	400000
2000	400000
2002	120000
2003	130000
2004	27000
2005	27000
2006	51000
2007	51000
2008	94000
2009	255745
2010	306799.99999999994
2011	340350
2012	338150
2013	330650
2014	308800
2015	319400
2016	323000
2017	323000
2018	272900
2019	278000
2020	165000