| Year | Value | | 2022 | 1,474,772 | | 2021 | 1,636,000 | | 2020 | 1,617,954 | | 2019 | 1,597,221 | | 2018 | 1,582,349 | | 2017 | 1,576,525 | | 2016 | 1,571,394 | | 2015 | 1,559,803 | | 2014 | 1,538,820 | | 2013 | 1,519,666 | | 2012 | 1,500,379 | | 2011 | 1,479,707 | | 2010 | 1,464,570 | | 2009 | 1,470,094 | | 2008 | 1,506,019 | | 2007 | 1,558,918 | | 2006 | 1,621,532 | | 2005 | 1,696,728 | | 2004 | 1,767,271 | | 2003 | 1,812,689 | | 2002 | 1,836,352 | | 2001 | 1,842,080 | | 2000 | 1,824,134 | | 1999 | 1,802,111 | | 1998 | 1,780,620 | | 1997 | 1,761,743 | | 1996 | 1,761,251 | | 1995 | 1,772,420 | | 1994 | 1,793,487 | | 1993 | 1,796,092 | | 1992 | 1,747,657 | | 1991 | 1,666,025 | | 1990 | 1,537,422 | | 1989 | 1,376,644 | | 1988 | 1,234,571 | | 1987 | 1,151,494 | | 1986 | 1,164,219 | | 1985 | 1,281,407 | | 1984 | 1,459,514 | | 1983 | 1,666,034 | | 1982 | 1,885,905 | | 1981 | 2,013,510 | | 1980 | 2,025,982 | | 1979 | 1,955,483 | | 1978 | 1,792,525 | | 1977 | 1,602,909 | | 1976 | 1,470,558 | | 1975 | 1,444,392 | | 1974 | 1,515,968 | | 1973 | 1,639,616 | | 1972 | 1,750,442 | | 1971 | 1,802,266 | | 1970 | 1,779,997 | | 1969 | 1,698,916 | | 1968 | 1,581,965 | | 1967 | 1,433,786 | | 1966 | 1,288,181 | | 1965 | 1,161,269 | | 1964 | 1,047,237 | | 1963 | 960,377 | | 1962 | 881,664 | | 1961 | 808,993 | | 1960 | 773,240 |
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