Year | Value | 2022 | 22,310,210 | 2021 | 22,068,882 | 2020 | 21,780,548 | 2019 | 21,450,882 | 2018 | 21,073,701 | 2017 | 20,667,070 | 2016 | 20,273,685 | 2015 | 19,887,991 | 2014 | 19,499,067 | 2013 | 19,128,981 | 2012 | 18,787,118 | 2011 | 18,463,419 | 2010 | 18,158,703 | 2009 | 17,877,870 | 2008 | 17,583,783 | 2007 | 17,299,270 | 2006 | 17,041,921 | 2005 | 16,815,070 | 2004 | 16,613,184 | 2003 | 16,415,547 | 2002 | 16,192,940 | 2001 | 15,924,718 | 2000 | 15,606,220 | 1999 | 15,241,155 | 1998 | 14,841,234 | 1997 | 14,423,530 | 1996 | 14,002,047 | 1995 | 13,587,338 | 1994 | 13,184,423 | 1993 | 12,791,903 | 1992 | 12,410,947 | 1991 | 12,044,321 | 1990 | 11,686,162 | 1989 | 11,329,824 | 1988 | 10,958,125 | 1987 | 10,564,228 | 1986 | 10,161,868 | 1985 | 9,769,869 | 1984 | 9,405,663 | 1983 | 9,085,843 | 1982 | 8,818,705 | 1981 | 8,594,874 | 1980 | 8,390,845 | 1979 | 8,189,754 | 1978 | 7,991,761 | 1977 | 7,790,496 | 1976 | 7,583,733 | 1975 | 7,372,743 | 1974 | 7,161,429 | 1973 | 6,961,778 | 1972 | 6,782,603 | 1971 | 6,619,580 | 1970 | 6,481,690 | 1969 | 6,369,535 | 1968 | 6,264,598 | 1967 | 6,158,702 | 1966 | 6,048,920 | 1965 | 5,935,225 | 1964 | 5,818,239 | 1963 | 5,695,224 | 1962 | 5,563,308 | 1961 | 5,423,779 | 1960 | 5,277,027 |
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