Year Total 1965 44327 1966 41994 1967 32662 1968 14931 1969 19597 1970 19597 1971 19131 1972 18664 1973 18664 1974 26130 1975 49460 1976 58792 1977 145110 1978 132980 1979 116180 1980 139980 1981 242630 1982 270630 1983 492730 1984 789490 1985 1116600 1986 879540 1987 935530 1988 1184700 1989 936470 1990 1069400 1991 1201000 1992 1196800 1993 1216000 1994 1171600 1995 1413300 1996 1968100 1997 2441700 1998 2465500 1999 2891500 2000 4012300 2001 4097200 2002 3570400 2003 3716000 2004 4039400 2005 4588400 2006 5020000 2007 5400000 2008 6350000 2009 6060000 2010 7020000 2011 7720000 2012 8090000 2013 10000000 2014 10640000 2015 11610000 2016 13502000