Year Total 1985 12000000000 1986 12814000000 1987 13658000000 1988 14840000000 1989 15612000000 1990 17081000000 1991 17352000000 1992 18689000000 1993 21730000000 1994 23736000000 1995 24982000000 1996 26572000000 1997 28464000000 1998 33392000000 1999 37126999999.99999 2000 39944000000 2001 43172000000 2002 46586000000.00001 2003 49540000000 2004 52417000000 2005 60698000000 2006 66768000000 2007 78761000000.00002 2008 80463000000.00002 2009 85698000000 2010 93949000000 2011 99137000000 2012 106220000000 2013 109980000000 2014 116530000000 2015 127370000000 2016 136800000000.00002