Year	Total
1985	64328000
1986	64533000
1987	67077000
1988	61579000
1989	58837000
1990	63797000
1991	58122000
1992	42873000
1993	24959000
1994	19931000
1995	19016000
1996	14316000
1997	13902000
1998	14381000
1999	12798000
2000	12063000
2001	13453000
2002	13259000
2003	13646000
2004	14350000
2005	13668000
2006	14238000
2007	14440000
2008	14171000
2009	13507000
2010	12606000
2011	13082000
2012	12533000
2013	11904000
2014	10255000
2015	9177500
2016	9122200