| Year | Value | | 2022 | 1,503,039 | | 2021 | 1,644,901 | | 2020 | 1,634,575 | | 2019 | 1,617,374 | | 2018 | 1,600,313 | | 2017 | 1,583,344 | | 2016 | 1,566,528 | | 2015 | 1,557,400 | | 2014 | 1,569,212 | | 2013 | 1,615,787 | | 2012 | 1,675,921 | | 2011 | 1,743,999 | | 2010 | 1,821,817 | | 2009 | 1,893,671 | | 2008 | 1,938,733 | | 2007 | 1,959,487 | | 2006 | 1,961,660 | | 2005 | 1,938,612 | | 2004 | 1,911,280 | | 2003 | 1,885,084 | | 2002 | 1,861,129 | | 2001 | 1,853,408 | | 2000 | 1,857,380 | | 1999 | 1,875,530 | | 1998 | 1,879,854 | | 1997 | 1,840,736 | | 1996 | 1,773,600 | | 1995 | 1,653,243 | | 1994 | 1,487,344 | | 1993 | 1,345,672 | | 1992 | 1,271,717 | | 1991 | 1,296,597 | | 1990 | 1,430,677 | | 1989 | 1,626,720 | | 1988 | 1,855,151 | | 1987 | 2,090,323 | | 1986 | 2,213,119 | | 1985 | 2,210,182 | | 1984 | 2,104,484 | | 1983 | 1,905,032 | | 1982 | 1,700,160 | | 1981 | 1,564,595 | | 1980 | 1,546,529 | | 1979 | 1,634,708 | | 1978 | 1,791,685 | | 1977 | 1,943,538 | | 1976 | 2,051,566 | | 1975 | 2,106,167 | | 1974 | 2,108,833 | | 1973 | 2,092,631 | | 1972 | 2,048,251 | | 1971 | 1,968,094 | | 1970 | 1,814,784 | | 1969 | 1,643,706 | | 1968 | 1,527,895 | | 1967 | 1,401,922 | | 1966 | 1,281,233 | | 1965 | 1,237,512 | | 1964 | 1,287,580 | | 1963 | 1,367,778 | | 1962 | 1,493,627 | | 1961 | 1,636,593 | | 1960 | 1,736,485 |
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