| Year | Value | | 2022 | 1,519,697 | | 2021 | 1,541,133 | | 2020 | 1,552,570 | | 2019 | 1,513,740 | | 2018 | 1,516,369 | | 2017 | 1,581,656 | | 2016 | 1,622,693 | | 2015 | 1,656,529 | | 2014 | 1,687,782 | | 2013 | 1,717,183 | | 2012 | 1,738,428 | | 2011 | 1,760,954 | | 2010 | 1,782,757 | | 2009 | 1,792,996 | | 2008 | 1,803,873 | | 2007 | 1,815,530 | | 2006 | 1,827,182 | | 2005 | 1,835,889 | | 2004 | 1,839,437 | | 2003 | 1,839,889 | | 2002 | 1,839,516 | | 2001 | 1,837,888 | | 2000 | 1,834,657 | | 1999 | 1,830,326 | | 1998 | 1,822,017 | | 1997 | 1,812,522 | | 1996 | 1,796,830 | | 1995 | 1,777,984 | | 1994 | 1,762,962 | | 1993 | 1,747,958 | | 1992 | 1,734,388 | | 1991 | 1,724,188 | | 1990 | 1,712,987 | | 1989 | 1,698,782 | | 1988 | 1,684,388 | | 1987 | 1,669,823 | | 1986 | 1,655,036 | | 1985 | 1,639,986 | | 1984 | 1,624,644 | | 1983 | 1,609,061 | | 1982 | 1,593,108 | | 1981 | 1,576,568 | | 1980 | 1,559,298 | | 1979 | 1,541,625 | | 1978 | 1,523,893 | | 1977 | 1,505,093 | | 1976 | 1,484,151 | | 1975 | 1,460,733 | | 1974 | 1,434,980 | | 1973 | 1,406,429 | | 1972 | 1,377,333 | | 1971 | 1,351,321 | | 1970 | 1,330,533 | | 1969 | 1,314,511 | | 1968 | 1,304,327 | | 1967 | 1,297,498 | | 1966 | 1,288,988 | | 1965 | 1,275,617 | | 1964 | 1,257,859 | | 1963 | 1,235,229 | | 1962 | 1,210,046 | | 1961 | 1,186,336 | | 1960 | 1,166,961 |
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