Year | Value | 2022 | 45,792,493 | 2021 | 44,863,045 | 2020 | 43,714,307 | 2019 | 42,622,824 | 2018 | 41,672,109 | 2017 | 40,825,020 | 2016 | 39,964,527 | 2015 | 39,121,336 | 2014 | 38,358,904 | 2013 | 37,630,429 | 2012 | 36,895,608 | 2011 | 36,191,341 | 2010 | 35,505,169 | 2009 | 34,786,397 | 2008 | 34,062,252 | 2007 | 33,334,886 | 2006 | 32,546,637 | 2005 | 31,712,334 | 2004 | 30,874,461 | 2003 | 30,010,154 | 2002 | 29,120,508 | 2001 | 28,264,596 | 2000 | 27,465,782 | 1999 | 26,683,196 | 1998 | 25,929,749 | 1997 | 25,247,751 | 1996 | 24,630,148 | 1995 | 23,988,897 | 1994 | 23,202,643 | 1993 | 22,427,281 | 1992 | 21,754,337 | 1991 | 21,120,335 | 1990 | 20,569,560 | 1989 | 19,980,400 | 1988 | 19,538,946 | 1987 | 19,160,945 | 1986 | 18,769,581 | 1985 | 18,372,012 | 1984 | 17,958,025 | 1983 | 17,521,166 | 1982 | 17,067,032 | 1981 | 16,636,764 | 1980 | 16,206,189 | 1979 | 15,750,685 | 1978 | 15,352,562 | 1977 | 15,007,874 | 1976 | 14,652,028 | 1975 | 14,278,534 | 1974 | 13,891,155 | 1973 | 13,483,213 | 1972 | 13,111,473 | 1971 | 12,784,604 | 1970 | 12,439,962 | 1969 | 12,093,364 | 1968 | 11,786,952 | 1967 | 11,509,187 | 1966 | 11,286,883 | 1965 | 11,169,622 | 1964 | 11,127,819 | 1963 | 11,126,846 | 1962 | 11,145,816 | 1961 | 11,077,846 | 1960 | 10,893,232 |
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