Year	Total
1981	29010000
1982	33010000
1983	35010000
1984	40010000
1985	42010000
1986	43010000
1987	43010000
1988	58010000
1989	72010000
1990	79010000
1991	88020000
1992	97020000
1993	124000000
1994	149000000
1995	162000000
1996	174000000
1997	190000000
1998	174000000
1999	190000000
2000	206000000
2001	334100000
2002	367100000
2003	412100000
2004	537100000
2005	566100000
2006	573100000
2007	682100000
2008	745100000