Year	Total
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	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	300
1992	6000
1993	10000
1994	27744
1995	88526
1996	223002
1997	484883
1998	747160
1999	1370630
2000	3263200
2001	7750499
2002	17608756
2003	36135135
2004	73722222
2005	120000000
2006	150674000
2007	171200000
2008	199522340
2009	230050000
2010	237689224
2011	203751647
2012	208065063
2013	218300372
2014	221030353
2015	227288088
2016	229126152
2017	227341873