Year | Value | 2022 | 27,950,050 | 2021 | 26,903,762 | 2020 | 25,840,485 | 2019 | 24,616,706 | 2018 | 23,523,668 | 2017 | 22,669,518 | 2016 | 21,906,538 | 2015 | 21,241,709 | 2014 | 20,679,455 | 2013 | 20,206,996 | 2012 | 19,789,223 | 2011 | 19,382,461 | 2010 | 18,959,543 | 2009 | 18,524,132 | 2008 | 18,068,678 | 2007 | 17,600,398 | 2006 | 17,142,774 | 2005 | 16,712,533 | 2004 | 16,305,744 | 2003 | 15,907,134 | 2002 | 15,508,537 | 2001 | 15,097,102 | 2000 | 14,667,484 | 1999 | 14,222,999 | 1998 | 13,770,788 | 1997 | 13,314,297 | 1996 | 12,864,231 | 1995 | 12,440,525 | 1994 | 12,052,336 | 1993 | 11,689,631 | 1992 | 11,345,665 | 1991 | 11,018,211 | 1990 | 10,711,171 | 1989 | 10,436,560 | 1988 | 10,197,909 | 1987 | 9,977,466 | 1986 | 9,773,062 | 1985 | 9,581,508 | 1984 | 9,396,990 | 1983 | 9,219,466 | 1982 | 9,042,147 | 1981 | 8,849,208 | 1980 | 8,639,345 | 1979 | 8,413,456 | 1978 | 8,163,200 | 1977 | 7,896,738 | 1976 | 7,629,748 | 1975 | 7,380,780 | 1974 | 7,157,449 | 1973 | 6,960,646 | 1972 | 6,784,340 | 1971 | 6,622,343 | 1970 | 6,441,890 | 1969 | 6,221,467 | 1968 | 5,967,047 | 1967 | 5,694,898 | 1966 | 5,443,168 | 1965 | 5,239,072 | 1964 | 5,081,516 | 1963 | 4,976,828 | 1962 | 4,917,801 | 1961 | 4,855,008 | 1960 | 4,753,638 |
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