Year Total 1997 1141920000 1998 1141920000 1999 1119870000 2000 1119870000 2001 1119870000 2002 1156410000 2003 1156410000 2004 1156410000 2005 1156410000 2006 1162530000 2007 1186830000 2008 1186830000 2009 1186830000 2010 1185300000 2011 1072170000 2012 742104000 2013 847188000 2014 842418000 2015 866250000 2016 866250000