Year | Value | 2022 | 16,251,231 | 2021 | 15,857,896 | 2020 | 15,476,591 | 2019 | 15,058,376 | 2018 | 14,596,326 | 2017 | 14,113,568 | 2016 | 13,612,605 | 2015 | 13,069,386 | 2014 | 12,505,809 | 2013 | 11,905,792 | 2012 | 11,329,573 | 2011 | 10,824,711 | 2010 | 10,329,403 | 2009 | 9,835,841 | 2008 | 9,350,904 | 2007 | 8,868,926 | 2006 | 8,426,714 | 2005 | 7,983,910 | 2004 | 7,515,701 | 2003 | 7,079,321 | 2002 | 6,695,700 | 2001 | 6,335,224 | 2000 | 5,986,677 | 1999 | 5,665,445 | 1998 | 5,385,079 | 1997 | 5,120,473 | 1996 | 4,858,005 | 1995 | 4,598,443 | 1994 | 4,324,809 | 1993 | 4,052,390 | 1992 | 3,817,314 | 1991 | 3,621,931 | 1990 | 3,445,554 | 1989 | 3,267,919 | 1988 | 3,092,898 | 1987 | 2,935,974 | 1986 | 2,787,620 | 1985 | 2,638,195 | 1984 | 2,488,986 | 1983 | 2,334,741 | 1982 | 2,181,267 | 1981 | 2,038,953 | 1980 | 1,911,893 | 1979 | 1,805,296 | 1978 | 1,709,225 | 1977 | 1,616,339 | 1976 | 1,534,827 | 1975 | 1,462,986 | 1974 | 1,394,399 | 1973 | 1,327,045 | 1972 | 1,266,490 | 1971 | 1,221,436 | 1970 | 1,188,595 | 1969 | 1,152,396 | 1968 | 1,108,980 | 1967 | 1,068,763 | 1966 | 1,037,338 | 1965 | 1,018,789 | 1964 | 1,013,658 | 1963 | 1,012,638 | 1962 | 1,008,549 | 1961 | 1,018,667 | 1960 | 1,060,047 |
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