Year | Value | 2022 | 34,768,785 | 2021 | 33,773,016 | 2020 | 32,764,443 | 2019 | 31,812,264 | 2018 | 30,925,449 | 2017 | 30,029,098 | 2016 | 29,119,017 | 2015 | 28,242,206 | 2014 | 27,371,410 | 2013 | 26,489,406 | 2012 | 25,656,978 | 2011 | 24,851,878 | 2010 | 24,088,965 | 2009 | 23,362,936 | 2008 | 22,627,434 | 2007 | 21,939,935 | 2006 | 21,263,755 | 2005 | 20,535,561 | 2004 | 19,830,100 | 2003 | 19,169,478 | 2002 | 18,534,456 | 2001 | 17,959,417 | 2000 | 17,463,102 | 1999 | 16,989,972 | 1998 | 16,512,834 | 1997 | 16,067,178 | 1996 | 15,668,288 | 1995 | 15,261,482 | 1994 | 14,783,159 | 1993 | 14,305,986 | 1992 | 13,869,802 | 1991 | 13,459,670 | 1990 | 13,113,946 | 1989 | 12,789,543 | 1988 | 12,453,070 | 1987 | 12,124,545 | 1986 | 11,807,053 | 1985 | 11,495,388 | 1984 | 11,176,966 | 1983 | 10,857,098 | 1982 | 10,547,368 | 1981 | 10,270,607 | 1980 | 10,029,653 | 1979 | 9,747,181 | 1978 | 9,411,161 | 1977 | 9,117,579 | 1976 | 8,885,672 | 1975 | 8,665,348 | 1974 | 8,456,233 | 1973 | 8,260,607 | 1972 | 8,064,849 | 1971 | 7,864,778 | 1970 | 7,662,445 | 1969 | 7,467,174 | 1968 | 7,289,904 | 1967 | 7,128,310 | 1966 | 6,977,454 | 1965 | 6,832,474 | 1964 | 6,690,922 | 1963 | 6,553,015 | 1962 | 6,418,397 | 1961 | 6,287,394 | 1960 | 6,164,178 |
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