| Year | Value | | 2022 | 9,135,219 | | 2021 | 9,021,929 | | 2020 | 8,903,698 | | 2019 | 8,780,566 | | 2018 | 8,646,849 | | 2017 | 8,506,669 | | 2016 | 8,367,470 | | 2015 | 8,215,669 | | 2014 | 8,046,838 | | 2013 | 7,866,056 | | 2012 | 7,673,954 | | 2011 | 7,469,285 | | 2010 | 7,256,865 | | 2009 | 7,037,130 | | 2008 | 6,808,274 | | 2007 | 6,571,035 | | 2006 | 6,325,374 | | 2005 | 6,074,696 | | 2004 | 5,827,539 | | 2003 | 5,582,874 | | 2002 | 5,336,742 | | 2001 | 5,092,811 | | 2000 | 4,854,017 | | 1999 | 4,634,342 | | 1998 | 4,451,351 | | 1997 | 4,311,863 | | 1996 | 4,221,318 | | 1995 | 4,172,900 | | 1994 | 4,143,733 | | 1993 | 4,118,493 | | 1992 | 4,092,327 | | 1991 | 4,059,291 | | 1990 | 4,022,232 | | 1989 | 3,986,174 | | 1988 | 3,945,907 | | 1987 | 3,898,737 | | 1986 | 3,842,363 | | 1985 | 3,775,542 | | 1984 | 3,698,530 | | 1983 | 3,612,334 | | 1982 | 3,519,304 | | 1981 | 3,422,267 | | 1980 | 3,323,118 | | 1979 | 3,223,221 | | 1978 | 3,122,594 | | 1977 | 3,019,767 | | 1976 | 2,913,377 | | 1975 | 2,802,394 | | 1974 | 2,686,979 | | 1973 | 2,569,727 | | 1972 | 2,454,798 | | 1971 | 2,346,756 | | 1970 | 2,250,076 | | 1969 | 2,167,732 | | 1968 | 2,100,248 | | 1967 | 2,047,248 | | 1966 | 2,007,895 | | 1965 | 1,980,574 | | 1964 | 1,957,756 | | 1963 | 1,935,961 | | 1962 | 1,916,534 | | 1961 | 1,896,203 | | 1960 | 1,872,123 |
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