Year | Value | 2022 | 22,416,843 | 2021 | 22,163,246 | 2020 | 21,986,112 | 2019 | 21,806,544 | 2018 | 21,527,181 | 2017 | 21,190,012 | 2016 | 20,806,925 | 2015 | 20,362,765 | 2014 | 19,893,571 | 2013 | 19,455,147 | 2012 | 19,073,832 | 2011 | 18,737,701 | 2010 | 18,434,094 | 2009 | 18,098,053 | 2008 | 17,679,670 | 2007 | 17,211,793 | 2006 | 16,741,614 | 2005 | 16,331,702 | 2004 | 16,026,918 | 2003 | 15,775,586 | 2002 | 15,532,889 | 2001 | 15,291,805 | 2000 | 15,050,221 | 1999 | 14,803,311 | 1998 | 14,556,171 | 1997 | 14,318,590 | 1996 | 14,088,613 | 1995 | 13,868,267 | 1994 | 13,663,281 | 1993 | 13,451,738 | 1992 | 13,255,563 | 1991 | 13,052,554 | 1990 | 12,800,306 | 1989 | 12,533,042 | 1988 | 12,270,727 | 1987 | 12,029,543 | 1986 | 11,790,399 | 1985 | 11,548,165 | 1984 | 11,308,344 | 1983 | 11,077,179 | 1982 | 10,849,405 | 1981 | 10,627,287 | 1980 | 10,408,571 | 1979 | 10,187,657 | 1978 | 9,966,867 | 1977 | 9,743,833 | 1976 | 9,521,956 | 1975 | 9,308,047 | 1974 | 9,105,436 | 1973 | 8,916,233 | 1972 | 8,733,940 | 1971 | 8,558,386 | 1970 | 8,389,706 | 1969 | 8,231,475 | 1968 | 8,078,247 | 1967 | 7,924,679 | 1966 | 7,779,155 | 1965 | 7,639,706 | 1964 | 7,497,928 | 1963 | 7,348,915 | 1962 | 7,195,738 | 1961 | 7,044,796 | 1960 | 6,905,944 |
|