| Year | Value | | 2022 | 14,829,623 | | 2021 | 14,338,150 | | 2020 | 13,863,304 | | 2019 | 13,397,744 | | 2018 | 12,945,592 | | 2017 | 12,505,013 | | 2016 | 12,077,997 | | 2015 | 11,667,173 | | 2014 | 11,271,041 | | 2013 | 10,918,491 | | 2012 | 10,603,000 | | 2011 | 10,296,507 | | 2010 | 9,996,116 | | 2009 | 9,699,938 | | 2008 | 9,411,847 | | 2007 | 9,130,213 | | 2006 | 8,853,775 | | 2005 | 8,580,987 | | 2004 | 8,311,269 | | 2003 | 8,043,523 | | 2002 | 7,777,908 | | 2001 | 7,513,505 | | 2000 | 7,249,898 | | 1999 | 6,986,399 | | 1998 | 6,715,014 | | 1997 | 6,435,369 | | 1996 | 6,159,428 | | 1995 | 5,892,917 | | 1994 | 5,636,163 | | 1993 | 5,387,968 | | 1992 | 5,146,623 | | 1991 | 4,912,579 | | 1990 | 4,686,202 | | 1989 | 4,467,797 | | 1988 | 4,263,556 | | 1987 | 4,089,025 | | 1986 | 3,930,680 | | 1985 | 3,777,381 | | 1984 | 3,626,596 | | 1983 | 3,478,541 | | 1982 | 3,334,069 | | 1981 | 3,193,793 | | 1980 | 3,058,210 | | 1979 | 2,927,790 | | 1978 | 2,803,097 | | 1977 | 2,594,304 | | 1976 | 2,399,515 | | 1975 | 2,208,970 | | 1974 | 2,051,188 | | 1973 | 1,909,312 | | 1972 | 1,777,191 | | 1971 | 1,654,697 | | 1970 | 1,542,512 | | 1969 | 1,440,121 | | 1968 | 1,346,308 | | 1967 | 1,259,145 | | 1966 | 1,177,422 | | 1965 | 1,100,758 | | 1964 | 994,217 | | 1963 | 896,755 | | 1962 | 808,054 | | 1961 | 727,759 | | 1960 | 655,654 |
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