Year | Value | 2022 | 26,925,352 | 2021 | 25,991,081 | 2020 | 25,064,584 | 2019 | 24,191,884 | 2018 | 23,428,030 | 2017 | 22,759,312 | 2016 | 22,131,445 | 2015 | 21,530,686 | 2014 | 20,956,901 | 2013 | 20,378,051 | 2012 | 19,785,300 | 2011 | 19,185,612 | 2010 | 18,600,296 | 2009 | 18,036,067 | 2008 | 17,497,191 | 2007 | 16,993,662 | 2006 | 16,520,629 | 2005 | 16,063,987 | 2004 | 15,626,707 | 2003 | 15,208,165 | 2002 | 14,788,423 | 2001 | 14,382,313 | 2000 | 14,011,122 | 1999 | 13,654,603 | 1998 | 13,298,204 | 1997 | 12,956,043 | 1996 | 12,623,050 | 1995 | 12,268,936 | 1994 | 11,872,000 | 1993 | 11,445,680 | 1992 | 11,050,994 | 1991 | 10,724,370 | 1990 | 10,452,979 | 1989 | 10,227,777 | 1988 | 10,040,767 | 1987 | 9,829,868 | 1986 | 9,579,593 | 1985 | 9,333,176 | 1984 | 9,097,229 | 1983 | 8,877,384 | 1982 | 8,680,230 | 1981 | 8,521,048 | 1980 | 8,397,141 | 1979 | 8,266,994 | 1978 | 8,114,801 | 1977 | 7,968,410 | 1976 | 7,840,759 | 1975 | 7,722,654 | 1974 | 7,595,366 | 1973 | 7,452,712 | 1972 | 7,309,068 | 1971 | 7,197,953 | 1970 | 7,088,981 | 1969 | 6,948,861 | 1968 | 6,805,384 | 1967 | 6,663,877 | 1966 | 6,527,874 | 1965 | 6,396,521 | 1964 | 6,269,098 | 1963 | 6,146,284 | 1962 | 6,026,587 | 1961 | 5,907,979 | 1960 | 5,790,046 |
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