Year	Total
1960	1382
1961	1352
1962	1345
1963	1346
1964	1372
1965	1116
1966	1260
1967	1361
1968	1710
1969	1624
1970	1416
1971	1423
1972	1371
1973	1120
1974	1308
1975	1660
1976	1409
1977	1332
1978	1124
1979	1467
1980	1894
1981	2488
1982	3033
1983	3208
1984	3629
1985	2845
1986	2636
1987	3009
1988	2873
1989	3760
1990	3467
1991	3287
1992	3082
1993	3451
1994	3560
1995	4101
1996	3539
1997	2853
1998	2460
1999	2460
2000	2158
2001	1775
2002	1544
2003	1834
2004	1859
2005	1634
2006	1596
2007	1406
2008	1516
2009	1529
2010	1945