Year	Total
1990	54200000
1991	59000000
1992	64500000
1993	70200000
1994	77500000
1995	86300000
1996	96600000
1997	109000000
1998	124000000
1999	141000000
2000	161000000
2001	178000000
2004	223800000
2005	230400000
2006	240500000
