| Year | Value | | 2022 | 599,819 | | 2021 | 1,001,624 | | 2020 | 1,050,575 | | 2019 | 1,104,485 | | 2018 | 1,162,445 | | 2017 | 1,226,329 | | 2016 | 1,296,759 | | 2015 | 1,370,585 | | 2014 | 1,447,582 | | 2013 | 1,535,570 | | 2012 | 1,621,657 | | 2011 | 1,706,089 | | 2010 | 1,781,585 | | 2009 | 1,841,060 | | 2008 | 1,889,829 | | 2007 | 1,907,094 | | 2006 | 1,885,359 | | 2005 | 1,858,065 | | 2004 | 1,827,150 | | 2003 | 1,780,923 | | 2002 | 1,745,498 | | 2001 | 1,737,852 | | 2000 | 1,739,936 | | 1999 | 1,742,547 | | 1998 | 1,749,182 | | 1997 | 1,764,468 | | 1996 | 1,778,503 | | 1995 | 1,777,324 | | 1994 | 1,764,276 | | 1993 | 1,744,761 | | 1992 | 1,713,001 | | 1991 | 1,679,395 | | 1990 | 1,660,217 | | 1989 | 1,664,518 | | 1988 | 1,699,332 | | 1987 | 1,755,981 | | 1986 | 1,821,656 | | 1985 | 1,893,454 | | 1984 | 1,956,883 | | 1983 | 1,998,510 | | 1982 | 2,026,018 | | 1981 | 2,031,542 | | 1980 | 2,004,948 | | 1979 | 1,975,328 | | 1978 | 1,947,829 | | 1977 | 1,922,488 | | 1976 | 1,908,665 | | 1975 | 1,902,898 | | 1974 | 1,908,127 | | 1973 | 1,899,537 | | 1972 | 1,858,156 | | 1971 | 1,796,864 | | 1970 | 1,675,003 | | 1969 | 1,505,512 | | 1968 | 1,362,129 | | 1967 | 1,289,721 | | 1966 | 1,315,273 | | 1965 | 1,455,666 | | 1964 | 1,667,069 | | 1963 | 1,909,675 | | 1962 | 2,148,847 | | 1961 | 2,278,722 | | 1960 | 2,270,629 |
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