Year	Total
1970	3330800
1971	8056100
1972	10863000
1973	12005000
1974	12456000
1975	12976000
1976	13220000
1977	13425000
1978	8409600
1979	8100100
1980	4321700
1981	4695900
1982	6431100
1983	7349900
1984	8555800
1985	9230100
1986	8867000
1987	10855000
1988	11785000
1989	14881000
1990	23553000
1991	27824000
1992	29448000
1993	15735000
1994	24996000
1995	30367000
1996	35714000
1997	37525000
1998	42377000
1999	50484000
2000	53682000
2001	59656000
2002	70940000
2003	74409000
2004	86751000
2005	92061000
2006	100320000
2007	112450000
2008	117750000
2009	129340000
2010	137130000
2011	143870000
2012	149540000
2013	150110000
2014	167260000
2015	170440000
2016	182200000