Year Total 1985 137139999999.99998 1986 138650000000 1987 146570000000 1988 146230000000 1989 143090000000 1990 146510000000 1991 147380000000 1992 146440000000 1993 145810000000 1994 143040000000 1995 148350000000 1996 140630000000 1997 149410000000 1998 159000000000 1999 155160000000 2000 145580000000 2001 161620000000 2002 146730000000 2003 135440000000 2004 152450000000 2005 159060000000 2006 143300000000 2007 148740000000 2008 149650000000 2009 136680000000 2010 148250000000 2011 151160000000 2012 166300000000 2013 153160000000 2014 153660000000 2015 162060000000 2016 154890000000