Year	Total
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	23482
1981	28278
1982	33880
1983	42226
1984	52010
1985	67639
1986	85300
1987	105860
1988	138160
1989	190031
1990	257872
1991	319137
1992	386021
1993	489174
1994	675565
1995	1039126
1996	1502003
1997	2162574
1998	2845985
1999	3273433
2000	3728625
2001	4175587
2002	4516772
2003	4747126
2004	4988000
2005	5270000
2006	5670000
2007	6080000
2008	6830000
2009	7700000
2010	8390000
2011	8940000
2012	9320000
2013	7411200
2014	7602600
2015	7396200
2016	7366100
2017	7307800