Year	Number
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	6415
1986	9044
1987	16534
1988	33609
1989	66070
1990	266000
1991	568000
1992	783000
1993	1207175
1994	2240000
1995	3923000
1996	6422000
1997	11737904
1998	20489000
1999	30296000
2000	42246000
2001	51246000
2002	54200000
2003	56770000
2004	62750000
2005	71500000
2006	80418000
2007	89801000
2008	90341000
2009	90032886
2010	93666088
2011	96040913
2012	97188624
2013	96863107
2014	89914609
2015	87691238
2016	85955905
2017	83871543
2018	83342486
2019	79480756
2020	77581048
2021	78114933
2022	78502853