Year | Value | 2022 | 244,139 | 2021 | 261,482 | 2020 | 281,301 | 2019 | 301,874 | 2018 | 322,160 | 2017 | 341,190 | 2016 | 359,337 | 2015 | 373,996 | 2014 | 382,884 | 2013 | 388,110 | 2012 | 390,846 | 2011 | 388,142 | 2010 | 382,357 | 2009 | 377,607 | 2008 | 372,461 | 2007 | 366,532 | 2006 | 361,873 | 2005 | 358,707 | 2004 | 355,811 | 2003 | 352,686 | 2002 | 350,180 | 2001 | 350,279 | 2000 | 351,948 | 1999 | 353,316 | 1998 | 353,460 | 1997 | 352,775 | 1996 | 351,879 | 1995 | 352,344 | 1994 | 356,358 | 1993 | 365,811 | 1992 | 380,027 | 1991 | 397,258 | 1990 | 415,210 | 1989 | 429,479 | 1988 | 437,992 | 1987 | 441,272 | 1986 | 438,827 | 1985 | 434,127 | 1984 | 428,269 | 1983 | 419,771 | 1982 | 408,144 | 1981 | 394,758 | 1980 | 380,750 | 1979 | 369,039 | 1978 | 359,967 | 1977 | 349,279 | 1976 | 333,911 | 1975 | 312,650 | 1974 | 286,427 | 1973 | 260,420 | 1972 | 243,242 | 1971 | 241,126 | 1970 | 254,718 | 1969 | 280,394 | 1968 | 312,305 | 1967 | 342,844 | 1966 | 365,698 | 1965 | 378,567 | 1964 | 382,677 | 1963 | 381,060 | 1962 | 378,242 | 1961 | 378,391 | 1960 | 382,899 |
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