Year | Value | 2022 | 277,101 | 2021 | 275,602 | 2020 | 274,258 | 2019 | 274,561 | 2018 | 274,533 | 2017 | 274,879 | 2016 | 277,031 | 2015 | 281,150 | 2014 | 288,681 | 2013 | 299,513 | 2012 | 313,174 | 2011 | 327,589 | 2010 | 341,476 | 2009 | 354,090 | 2008 | 365,002 | 2007 | 376,877 | 2006 | 389,686 | 2005 | 400,849 | 2004 | 409,288 | 2003 | 414,012 | 2002 | 412,200 | 2001 | 405,524 | 2000 | 397,979 | 1999 | 390,715 | 1998 | 384,484 | 1997 | 379,590 | 1996 | 375,054 | 1995 | 372,030 | 1994 | 371,259 | 1993 | 370,925 | 1992 | 370,139 | 1991 | 371,853 | 1990 | 375,495 | 1989 | 377,189 | 1988 | 377,124 | 1987 | 376,559 | 1986 | 373,411 | 1985 | 368,186 | 1984 | 362,599 | 1983 | 355,876 | 1982 | 349,023 | 1981 | 343,954 | 1980 | 341,205 | 1979 | 339,641 | 1978 | 339,523 | 1977 | 336,697 | 1976 | 330,513 | 1975 | 318,719 | 1974 | 303,471 | 1973 | 292,759 | 1972 | 286,556 | 1971 | 281,971 | 1970 | 280,964 | 1969 | 286,200 | 1968 | 294,237 | 1967 | 303,988 | 1966 | 318,492 | 1965 | 333,548 | 1964 | 342,813 | 1963 | 348,216 | 1962 | 352,174 | 1961 | 351,675 | 1960 | 350,312 |
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