Year	Total
1980	616500000
1981	598500000
1982	587700000
1983	576000000
1984	565200000
1985	563400000
1986	655200000
1987	654300000
1988	744300000
1989	1096200000
1990	1087200000
1991	1178100000
1992	1169100000
1993	1160100000
1994	1179000000
1995	1181700000
1996	1179900000
1997	1182600000
1998	1183500000
1999	1183500000
2000	1182600000
2001	1182600000
2002	1352700000
2003	1341900000
2004	1341900000
2005	1184400000
2006	1278000000
2007	1386000000
2008	1386000000
2009	1394100000
2010	1345500000
2011	1392300000
2012	1394100000
2013	1355400000
2014	1354410000
2015	1354410000
2016	1354410000