Year Total 1992 99322 1993 247630 1994 247630 1995 346680 1996 844230 1997 2971500 1998 4110600 1999 4952500 2000 5697000 2001 9355000 2002 11102000 2003 12722000 2004 16562000 2005 16448000 2006 15575000 2007 15908000 2008 16052000 2009 14156000 2010 12629000 2011 11643000 2012 12716000 2013 12430000 2014 13105000 2015 13532000 2016 13123000