Year	Total
1984	9086
1985	9267
1986	9311
1987	10070
1988	10250
1989	12070
1990	10200
1991	10860
1992	11840
1993	12180
1994	12140
1995	11870
1996	12020
1997	12020
1998	12020
1999	12040