Year	Total
1980	699660000
1981	695835000
1982	734067000
1983	739080000
1984	736200000
1985	739080000
1986	739071000
1987	900000000
1988	2421000000
1989	2803500000
1990	2796300000
1991	2790000000
1992	2790000000
1993	2790000000
1994	2803500000
1995	3024000000
1996	3024000000
1997	2869200000
1998	2869200000
1999	2956500000
2000	2798100000
2001	2798100000
2002	2871000000
2003	2853000000
2004	2853000000
2005	2853000000
2006	2853000000
2007	2853000000
2008	2853000000
2009	2853000000
2010	2854350000
2011	3228930000
2012	3228930000
2013	3228930000
2014	3324600000
2015	3324600000
2016	3324600000