Year | Value | 2022 | 24,229,338 | 2021 | 23,276,246 | 2020 | 22,338,586 | 2019 | 21,410,634 | 2018 | 20,488,542 | 2017 | 19,586,972 | 2016 | 18,702,478 | 2015 | 17,845,914 | 2014 | 17,017,877 | 2013 | 16,211,664 | 2012 | 15,432,363 | 2011 | 14,683,555 | 2010 | 13,967,811 | 2009 | 13,287,180 | 2008 | 12,642,253 | 2007 | 12,028,087 | 2006 | 11,444,951 | 2005 | 10,892,537 | 2004 | 10,291,645 | 2003 | 9,722,803 | 2002 | 9,189,142 | 2001 | 8,686,629 | 2000 | 8,211,294 | 1999 | 7,760,322 | 1998 | 7,331,531 | 1997 | 6,918,801 | 1996 | 6,522,274 | 1995 | 6,144,903 | 1994 | 5,788,673 | 1993 | 5,412,316 | 1992 | 5,057,929 | 1991 | 4,717,829 | 1990 | 4,393,629 | 1989 | 4,087,447 | 1988 | 3,798,425 | 1987 | 3,526,686 | 1986 | 3,269,536 | 1985 | 3,024,887 | 1984 | 2,795,385 | 1983 | 2,580,873 | 1982 | 2,381,016 | 1981 | 2,195,584 | 1980 | 2,024,035 | 1979 | 1,865,383 | 1978 | 1,719,231 | 1977 | 1,584,108 | 1976 | 1,460,041 | 1975 | 1,345,217 | 1974 | 1,238,190 | 1973 | 1,138,692 | 1972 | 1,047,316 | 1971 | 965,596 | 1970 | 901,862 | 1969 | 855,822 | 1968 | 817,558 | 1967 | 783,275 | 1966 | 750,290 | 1965 | 717,302 | 1964 | 684,074 | 1963 | 650,924 | 1962 | 618,618 | 1961 | 587,555 | 1960 | 559,023 |
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