Year	Total
1971	72140
1972	69390
1973	41100
1974	70510
1975	68790
1976	68790
1977	68790
1978	68790
1979	73090
1980	73090
1981	73090
1982	55890
1983	48150
1984	50300
1985	50300
1986	48150
1987	52450
1988	51590
1989	42990
1990	42990
1991	48150
1992	61910
1993	60880
1994	70250
1995	61650
1996	68620
1997	77470
1998	67500
1999	28550
2000	38610
2001	28630
2002	58300
2003	117200
2004	96300
2005	89940
2006	59760
2007	50300
2008	32070
2009	53480
2010	72140