Year % of total 1990 73.33999999999999 1991 73.33999999999999 1992 73.33999999999999 1993 73.33999999999999 1994 73.33999999999999 1995 73.33999999999999 1996 73.33999999999999 1997 73.33999999999999 1998 73.33999999999999 1999 73.33999999999999 2000 73.33999999999999 2001 73.33999999999999 2002 110.00999999999999 2003 110.00999999999999 2004 110.00999999999999 2005 110.00999999999999 2006 73.33999999999999 2007 110.00999999999999 2008 110.00999999999999 2009 110.00999999999999 2010 73.33999999999999 2011 73.33999999999999 2012 110.00999999999999 2013 110.00999999999999 2014 110.00999999999999 2015 110.00999999999999 2016 110.00999999999999