Year Total 1965 2229300 1966 2127300 1967 2111500 1968 1844700 1969 1801300 1970 1902800 1971 1715300 1972 1473700 1973 1629000 1974 1799700 1975 1941100 1976 1863400 1977 1479100 1978 1517300 1979 1792500 1980 1708400 1981 1469100 1982 1634500 1983 2048400 1984 2471800 1985 2909800 1986 3102200 1987 3063100 1988 3007000 1989 2835200 1990 2972900 1991 2716500 1992 2560300 1993 2724800 1994 2935300 1995 2883900 1996 3030400 1997 2622000 1998 2544600 1999 2436100 2000 2452200 2001 2758600 2002 2845700 2003 2678000 2004 2952200 2005 2628900 2006 2690600 2007 2678700 2008 2432200 2009 1925600 2010 2492300 2011 2492000 2012 2194500 2013 2218000 2014 2102700 2015 2116400 2016 2249700