Year | Value | 2022 | 38,620,571 | 2021 | 37,568,123 | 2020 | 36,536,501 | 2019 | 35,503,156 | 2018 | 34,475,146 | 2017 | 33,485,094 | 2016 | 32,552,133 | 2015 | 31,695,714 | 2014 | 30,896,273 | 2013 | 30,144,285 | 2012 | 29,411,440 | 2011 | 28,606,023 | 2010 | 27,764,057 | 2009 | 26,960,481 | 2008 | 26,200,401 | 2007 | 25,468,745 | 2006 | 24,741,023 | 2005 | 24,010,215 | 2004 | 23,291,187 | 2003 | 22,551,509 | 2002 | 21,776,564 | 2001 | 21,037,398 | 2000 | 20,397,765 | 1999 | 19,792,037 | 1998 | 19,183,867 | 1997 | 18,593,685 | 1996 | 18,000,718 | 1995 | 17,407,225 | 1994 | 16,857,478 | 1993 | 16,350,252 | 1992 | 15,876,553 | 1991 | 15,490,359 | 1990 | 15,190,168 | 1989 | 14,889,266 | 1988 | 14,567,726 | 1987 | 14,230,637 | 1986 | 13,855,539 | 1985 | 13,452,690 | 1984 | 13,027,527 | 1983 | 12,601,405 | 1982 | 12,182,245 | 1981 | 11,813,678 | 1980 | 11,529,961 | 1979 | 11,240,885 | 1978 | 10,911,049 | 1977 | 10,604,042 | 1976 | 10,311,831 | 1975 | 10,005,993 | 1974 | 9,702,787 | 1973 | 9,391,521 | 1972 | 9,080,338 | 1971 | 8,790,772 | 1970 | 8,540,079 | 1969 | 8,314,803 | 1968 | 8,106,614 | 1967 | 7,951,343 | 1966 | 7,842,325 | 1965 | 7,716,623 | 1964 | 7,574,511 | 1963 | 7,441,317 | 1962 | 7,286,349 | 1961 | 7,111,989 | 1960 | 6,943,924 |
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