Year | Value | 2022 | 11,795,310 | 2021 | 11,789,500 | 2020 | 11,789,478 | 2019 | 11,812,256 | 2018 | 12,022,188 | 2017 | 12,263,539 | 2016 | 12,509,092 | 2015 | 12,707,930 | 2014 | 12,798,059 | 2013 | 12,803,408 | 2012 | 12,795,924 | 2011 | 12,752,301 | 2010 | 12,642,947 | 2009 | 12,470,351 | 2008 | 12,259,387 | 2007 | 11,972,327 | 2006 | 11,806,316 | 2005 | 11,545,228 | 2004 | 11,020,108 | 2003 | 10,616,854 | 2002 | 10,462,347 | 2001 | 10,179,877 | 2000 | 9,781,141 | 1999 | 9,515,524 | 1998 | 9,205,576 | 1997 | 8,728,615 | 1996 | 8,150,956 | 1995 | 7,763,248 | 1994 | 7,525,625 | 1993 | 7,225,926 | 1992 | 6,914,337 | 1991 | 6,709,192 | 1990 | 6,552,307 | 1989 | 6,402,644 | 1988 | 6,286,642 | 1987 | 6,213,461 | 1986 | 6,190,546 | 1985 | 6,207,303 | 1984 | 6,307,513 | 1983 | 6,403,388 | 1982 | 6,476,426 | 1981 | 6,597,721 | 1980 | 6,670,182 | 1979 | 6,624,007 | 1978 | 6,725,277 | 1977 | 6,876,786 | 1976 | 6,818,729 | 1975 | 6,801,512 | 1974 | 6,888,664 | 1973 | 6,749,368 | 1972 | 6,488,369 | 1971 | 6,392,992 | 1970 | 6,270,198 | 1969 | 6,091,718 | 1968 | 5,993,216 | 1967 | 5,982,945 | 1966 | 5,958,970 | 1965 | 5,913,561 | 1964 | 5,846,559 | 1963 | 5,764,095 | 1962 | 5,656,801 | 1961 | 5,473,118 | 1960 | 5,300,733 |
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