Year | Value | 2022 | 82,589,949 | 2021 | 80,868,181 | 2020 | 79,220,296 | 2019 | 77,818,917 | 2018 | 76,456,458 | 2017 | 74,390,890 | 2016 | 72,413,481 | 2015 | 71,676,969 | 2014 | 72,136,079 | 2013 | 74,033,996 | 2012 | 76,823,079 | 2011 | 79,671,163 | 2010 | 82,579,892 | 2009 | 84,908,308 | 2008 | 86,158,859 | 2007 | 86,006,144 | 2006 | 84,870,570 | 2005 | 83,646,449 | 2004 | 82,388,166 | 2003 | 81,821,883 | 2002 | 81,304,706 | 2001 | 77,801,068 | 2000 | 71,835,674 | 1999 | 65,965,179 | 1998 | 60,252,808 | 1997 | 56,670,036 | 1996 | 56,818,385 | 1995 | 58,681,844 | 1994 | 60,391,352 | 1993 | 60,880,730 | 1992 | 59,918,377 | 1991 | 58,392,718 | 1990 | 56,553,448 | 1989 | 54,175,015 | 1988 | 51,493,468 | 1987 | 48,487,159 | 1986 | 45,565,865 | 1985 | 42,917,033 | 1984 | 40,444,797 | 1983 | 38,453,746 | 1982 | 36,805,621 | 1981 | 35,666,782 | 1980 | 35,014,320 | 1979 | 34,559,235 | 1978 | 34,281,132 | 1977 | 34,211,370 | 1976 | 34,098,949 | 1975 | 33,933,724 | 1974 | 33,862,049 | 1973 | 33,761,501 | 1972 | 33,375,422 | 1971 | 32,710,112 | 1970 | 31,987,887 | 1969 | 31,256,234 | 1968 | 30,426,775 | 1967 | 29,644,620 | 1966 | 28,916,721 | 1965 | 28,218,454 | 1964 | 27,743,528 | 1963 | 27,304,113 | 1962 | 26,714,973 | 1961 | 26,338,702 | 1960 | 26,175,364 |
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