Year	Total
1980	653499000
1981	650340000
1982	798831000
1983	811854000
1984	827379000
1985	810828000
1986	804321000
1987	831285000
1988	857412000
1989	951030000
1990	928890000
1991	931500000
1992	1300770000
1993	1553490000
1994	1552590000
1995	1552590000
1996	1088280000
1997	1078920000
1998	1270980000
1999	1270980000
2000	1270980000
2001	1271790000
2002	1179000000
2003	1242360000
2004	1346580000
2005	1426950000
2006	1565370000
2007	2096910000
2008	2500740000
2009	2646180000
2010	2534490000
2011	2702250000
2012	2896830000
2013	3113280000
2014	3299580000
2015	4317210000
2016	4829580000