| Year | Value | | 2022 | 972,560 | | 2021 | 924,412 | | 2020 | 896,726 | | 2019 | 890,941 | | 2018 | 920,913 | | 2017 | 993,311 | | 2016 | 1,090,036 | | 2015 | 1,200,246 | | 2014 | 1,320,610 | | 2013 | 1,436,405 | | 2012 | 1,512,724 | | 2011 | 1,529,994 | | 2010 | 1,512,524 | | 2009 | 1,479,747 | | 2008 | 1,438,069 | | 2007 | 1,381,957 | | 2006 | 1,323,466 | | 2005 | 1,282,134 | | 2004 | 1,250,573 | | 2003 | 1,222,115 | | 2002 | 1,196,442 | | 2001 | 1,173,854 | | 2000 | 1,156,576 | | 1999 | 1,143,062 | | 1998 | 1,129,169 | | 1997 | 1,113,365 | | 1996 | 1,096,006 | | 1995 | 1,079,846 | | 1994 | 1,066,601 | | 1993 | 1,057,306 | | 1992 | 1,052,994 | | 1991 | 1,050,594 | | 1990 | 1,045,070 | | 1989 | 1,034,362 | | 1988 | 1,018,468 | | 1987 | 997,630 | | 1986 | 973,985 | | 1985 | 950,430 | | 1984 | 928,064 | | 1983 | 906,435 | | 1982 | 886,556 | | 1981 | 866,468 | | 1980 | 842,943 | | 1979 | 817,382 | | 1978 | 791,301 | | 1977 | 765,426 | | 1976 | 740,706 | | 1975 | 717,654 | | 1974 | 695,387 | | 1973 | 672,606 | | 1972 | 649,052 | | 1971 | 625,037 | | 1970 | 600,687 | | 1969 | 576,710 | | 1968 | 554,155 | | 1967 | 533,228 | | 1966 | 513,740 | | 1965 | 495,877 | | 1964 | 479,604 | | 1963 | 464,465 | | 1962 | 449,963 | | 1961 | 435,816 | | 1960 | 421,630 |
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