Year | Value | 2022 | 11,192,818 | 2021 | 11,097,835 | 2020 | 11,075,090 | 2019 | 10,987,004 | 2018 | 10,944,241 | 2017 | 10,901,962 | 2016 | 10,863,908 | 2015 | 10,824,567 | 2014 | 10,823,339 | 2013 | 10,886,054 | 2012 | 11,010,281 | 2011 | 11,175,448 | 2010 | 11,326,273 | 2009 | 11,402,263 | 2008 | 11,401,579 | 2007 | 11,319,270 | 2006 | 11,188,968 | 2005 | 11,034,845 | 2004 | 10,872,262 | 2003 | 10,726,384 | 2002 | 10,607,023 | 2001 | 10,494,265 | 2000 | 10,396,671 | 1999 | 10,303,138 | 1998 | 10,190,765 | 1997 | 10,021,050 | 1996 | 9,787,411 | 1995 | 9,529,677 | 1994 | 9,289,850 | 1993 | 9,108,941 | 1992 | 9,013,582 | 1991 | 9,070,048 | 1990 | 9,251,647 | 1989 | 9,418,145 | 1988 | 9,541,778 | 1987 | 9,630,865 | 1986 | 9,661,282 | 1985 | 9,656,302 | 1984 | 9,738,111 | 1983 | 9,928,936 | 1982 | 10,167,776 | 1981 | 10,443,558 | 1980 | 10,694,760 | 1979 | 10,838,243 | 1978 | 10,878,107 | 1977 | 10,891,150 | 1976 | 10,854,865 | 1975 | 10,747,678 | 1974 | 10,595,148 | 1973 | 10,426,350 | 1972 | 10,199,634 | 1971 | 10,127,722 | 1970 | 9,880,530 | 1969 | 9,345,877 | 1968 | 8,978,346 | 1967 | 8,799,195 | 1966 | 8,516,803 | 1965 | 8,224,303 | 1964 | 8,052,724 | 1963 | 7,805,866 | 1962 | 7,456,087 | 1961 | 6,940,722 | 1960 | 6,582,483 |
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