Year	Total
1990	3000
1991	4000
1992	6000
1993	16000
1994	17000
1995	20000
1996	25000
1997	35000
1998	50000
1999	65000
2000	80000
2001	85000
2002	95000
2003	106000
2004	118000
2005	130000
2006	180000