Year | Value | 2022 | 393,910 | 2021 | 396,421 | 2020 | 393,773 | 2019 | 386,343 | 2018 | 376,551 | 2017 | 367,870 | 2016 | 356,427 | 2015 | 340,252 | 2014 | 325,927 | 2013 | 315,943 | 2012 | 312,248 | 2011 | 322,093 | 2010 | 343,381 | 2009 | 369,373 | 2008 | 400,732 | 2007 | 436,071 | 2006 | 468,804 | 2005 | 494,901 | 2004 | 514,191 | 2003 | 526,040 | 2002 | 532,387 | 2001 | 538,138 | 2000 | 546,297 | 1999 | 555,765 | 1998 | 562,132 | 1997 | 560,351 | 1996 | 547,993 | 1995 | 525,733 | 1994 | 496,353 | 1993 | 463,774 | 1992 | 431,953 | 1991 | 404,627 | 1990 | 384,432 | 1989 | 371,755 | 1988 | 365,105 | 1987 | 362,283 | 1986 | 361,099 | 1985 | 359,872 | 1984 | 357,706 | 1983 | 354,640 | 1982 | 350,802 | 1981 | 346,222 | 1980 | 340,813 | 1979 | 334,598 | 1978 | 328,231 | 1977 | 322,289 | 1976 | 316,959 | 1975 | 312,151 | 1974 | 307,958 | 1973 | 304,551 | 1972 | 301,797 | 1971 | 299,222 | 1970 | 295,454 | 1969 | 290,119 | 1968 | 283,762 | 1967 | 276,725 | 1966 | 270,034 | 1965 | 264,271 | 1964 | 259,244 | 1963 | 254,929 | 1962 | 251,222 | 1961 | 247,445 | 1960 | 243,222 |
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