Year Total 1960 0 1965 0 1970 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 76680 1996 327967 1997 881839 1998 1195400 1999 1884311 2000 3577095 2001 6540000 2002 13000000 2003 33690000 2004 52220000 2005 90140000 2006 166050000 2007 233620000 2008 346890000 2009 525090000 2010 752190000 2011 893862478 2012 864720917 2013 886304245 2014 944008677 2015 1001056000 2016 1127809000 2017 1168902277