Year | Value | 2022 | 41,471,864 | 2021 | 40,725,784 | 2020 | 39,967,867 | 2019 | 39,216,539 | 2018 | 38,469,815 | 2017 | 37,669,090 | 2016 | 36,812,067 | 2015 | 35,930,359 | 2014 | 35,110,823 | 2013 | 34,381,013 | 2012 | 33,692,572 | 2011 | 33,049,142 | 2010 | 32,428,153 | 2009 | 31,896,316 | 2008 | 31,391,776 | 2007 | 30,819,731 | 2006 | 30,227,652 | 2005 | 29,640,760 | 2004 | 29,068,723 | 2003 | 28,519,007 | 2002 | 27,976,223 | 2001 | 27,384,592 | 2000 | 26,775,196 | 1999 | 26,147,577 | 1998 | 25,582,437 | 1997 | 25,035,486 | 1996 | 24,636,057 | 1995 | 24,282,116 | 1994 | 23,618,574 | 1993 | 22,813,077 | 1992 | 22,192,553 | 1991 | 21,725,701 | 1990 | 21,257,269 | 1989 | 20,784,572 | 1988 | 20,317,295 | 1987 | 19,827,794 | 1986 | 19,302,933 | 1985 | 18,785,376 | 1984 | 18,293,363 | 1983 | 17,814,947 | 1982 | 17,341,089 | 1981 | 16,912,064 | 1980 | 16,488,885 | 1979 | 16,054,462 | 1978 | 15,610,457 | 1977 | 15,225,147 | 1976 | 14,828,857 | 1975 | 14,433,289 | 1974 | 14,041,029 | 1973 | 13,655,919 | 1972 | 13,275,080 | 1971 | 12,904,103 | 1970 | 12,548,892 | 1969 | 12,205,085 | 1968 | 11,873,138 | 1967 | 11,559,457 | 1966 | 11,239,172 | 1965 | 10,929,278 | 1964 | 10,627,424 | 1963 | 10,334,993 | 1962 | 10,054,165 | 1961 | 9,780,265 | 1960 | 9,515,631 |
|