Year | Value | 2022 | 447,251 | 2021 | 427,060 | 2020 | 414,856 | 2019 | 391,831 | 2018 | 370,011 | 2017 | 353,774 | 2016 | 343,886 | 2015 | 339,223 | 2014 | 339,976 | 2013 | 344,577 | 2012 | 346,527 | 2011 | 343,515 | 2010 | 337,307 | 2009 | 327,295 | 2008 | 318,552 | 2007 | 319,116 | 2006 | 328,644 | 2005 | 342,371 | 2004 | 358,285 | 2003 | 372,960 | 2002 | 383,570 | 2001 | 392,347 | 2000 | 399,966 | 1999 | 404,275 | 1998 | 407,225 | 1997 | 412,017 | 1996 | 415,640 | 1995 | 411,279 | 1994 | 402,280 | 1993 | 393,209 | 1992 | 376,763 | 1991 | 354,431 | 1990 | 338,751 | 1989 | 325,698 | 1988 | 307,810 | 1987 | 291,778 | 1986 | 280,050 | 1985 | 270,933 | 1984 | 266,662 | 1983 | 267,822 | 1982 | 273,518 | 1981 | 283,121 | 1980 | 294,608 | 1979 | 305,109 | 1978 | 313,667 | 1977 | 320,199 | 1976 | 324,774 | 1975 | 328,615 | 1974 | 333,840 | 1973 | 341,235 | 1972 | 349,483 | 1971 | 356,333 | 1970 | 360,651 | 1969 | 353,485 | 1968 | 324,307 | 1967 | 283,520 | 1966 | 244,773 | 1965 | 218,090 | 1964 | 216,608 | 1963 | 242,877 | 1962 | 281,436 | 1961 | 318,377 | 1960 | 350,176 |
|