Year | Value | 2022 | 12,905,119 | 2021 | 12,844,385 | 2020 | 12,778,255 | 2019 | 12,707,874 | 2018 | 12,634,957 | 2017 | 12,559,931 | 2016 | 12,482,556 | 2015 | 12,402,803 | 2014 | 12,324,169 | 2013 | 12,251,346 | 2012 | 12,184,978 | 2011 | 12,125,094 | 2010 | 12,070,099 | 2009 | 12,013,177 | 2008 | 11,953,972 | 2007 | 11,895,221 | 2006 | 11,832,469 | 2005 | 11,762,651 | 2004 | 11,684,142 | 2003 | 11,598,071 | 2002 | 11,523,015 | 2001 | 11,455,522 | 2000 | 11,378,028 | 1999 | 11,291,886 | 1998 | 11,196,822 | 1997 | 11,094,390 | 1996 | 10,983,578 | 1995 | 10,864,896 | 1994 | 10,721,512 | 1993 | 10,553,790 | 1992 | 10,385,047 | 1991 | 10,219,138 | 1990 | 10,057,190 | 1989 | 9,900,735 | 1988 | 9,747,493 | 1987 | 9,595,932 | 1986 | 9,445,500 | 1985 | 9,296,487 | 1984 | 9,150,899 | 1983 | 9,008,463 | 1982 | 8,868,146 | 1981 | 8,728,873 | 1980 | 8,592,166 | 1979 | 8,458,889 | 1978 | 8,329,194 | 1977 | 8,202,544 | 1976 | 8,073,971 | 1975 | 7,935,350 | 1974 | 7,785,302 | 1973 | 7,623,584 | 1972 | 7,435,684 | 1971 | 7,233,811 | 1970 | 7,032,909 | 1969 | 6,828,524 | 1968 | 6,625,212 | 1967 | 6,418,986 | 1966 | 6,221,656 | 1965 | 6,044,345 | 1964 | 5,877,109 | 1963 | 5,712,931 | 1962 | 5,557,631 | 1961 | 5,417,938 | 1960 | 5,279,622 |
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