Year | Value | 2022 | 13,164,298 | 2021 | 13,127,524 | 2020 | 13,089,212 | 2019 | 13,047,566 | 2018 | 13,003,192 | 2017 | 12,956,390 | 2016 | 12,907,056 | 2015 | 12,855,212 | 2014 | 12,801,961 | 2013 | 12,750,473 | 2012 | 12,702,791 | 2011 | 12,658,695 | 2010 | 12,616,337 | 2009 | 12,568,332 | 2008 | 12,515,075 | 2007 | 12,461,285 | 2006 | 12,403,291 | 2005 | 12,338,331 | 2004 | 12,264,788 | 2003 | 12,183,636 | 2002 | 12,115,395 | 2001 | 12,057,001 | 2000 | 11,989,032 | 1999 | 11,912,612 | 1998 | 11,826,815 | 1997 | 11,732,983 | 1996 | 11,630,769 | 1995 | 11,520,640 | 1994 | 11,383,712 | 1993 | 11,219,227 | 1992 | 11,054,944 | 1991 | 10,896,396 | 1990 | 10,742,334 | 1989 | 10,594,230 | 1988 | 10,449,970 | 1987 | 10,307,961 | 1986 | 10,167,538 | 1985 | 10,028,999 | 1984 | 9,894,254 | 1983 | 9,762,899 | 1982 | 9,633,941 | 1981 | 9,506,329 | 1980 | 9,381,485 | 1979 | 9,260,282 | 1978 | 9,142,900 | 1977 | 9,028,844 | 1976 | 8,913,200 | 1975 | 8,787,903 | 1974 | 8,651,700 | 1973 | 8,504,539 | 1972 | 8,332,679 | 1971 | 8,147,815 | 1970 | 7,963,970 | 1969 | 7,776,958 | 1968 | 7,591,092 | 1967 | 7,402,422 | 1966 | 7,222,392 | 1965 | 7,061,601 | 1964 | 6,910,414 | 1963 | 6,762,304 | 1962 | 6,622,874 | 1961 | 6,498,578 | 1960 | 6,376,044 |
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