Year | Value | 2022 | 6,926,008 | 2021 | 6,678,110 | 2020 | 6,453,165 | 2019 | 6,215,556 | 2018 | 5,978,810 | 2017 | 5,768,044 | 2016 | 5,584,370 | 2015 | 5,417,737 | 2014 | 5,256,152 | 2013 | 5,101,099 | 2012 | 4,950,506 | 2011 | 4,801,453 | 2010 | 4,656,117 | 2009 | 4,515,785 | 2008 | 4,373,725 | 2007 | 4,241,698 | 2006 | 4,118,085 | 2005 | 4,002,708 | 2004 | 3,897,317 | 2003 | 3,798,186 | 2002 | 3,700,131 | 2001 | 3,601,146 | 2000 | 3,502,149 | 1999 | 3,401,560 | 1998 | 3,296,072 | 1997 | 3,186,141 | 1996 | 3,073,662 | 1995 | 2,959,886 | 1994 | 2,845,083 | 1993 | 2,732,506 | 1992 | 2,627,656 | 1991 | 2,533,032 | 1990 | 2,450,749 | 1989 | 2,380,310 | 1988 | 2,319,574 | 1987 | 2,265,551 | 1986 | 2,213,534 | 1985 | 2,160,890 | 1984 | 2,107,579 | 1983 | 2,052,328 | 1982 | 1,994,780 | 1981 | 1,937,613 | 1980 | 1,881,649 | 1979 | 1,823,933 | 1978 | 1,764,637 | 1977 | 1,706,452 | 1976 | 1,649,347 | 1975 | 1,592,576 | 1974 | 1,535,946 | 1973 | 1,479,903 | 1972 | 1,425,469 | 1971 | 1,372,535 | 1970 | 1,321,852 | 1969 | 1,273,597 | 1968 | 1,225,611 | 1967 | 1,177,928 | 1966 | 1,132,351 | 1965 | 1,091,155 | 1964 | 1,054,742 | 1963 | 1,021,512 | 1962 | 989,826 | 1961 | 959,367 | 1960 | 928,959 |
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