Year | Value | 2022 | 388,322 | 2021 | 382,184 | 2020 | 376,373 | 2019 | 371,047 | 2018 | 366,805 | 2017 | 364,524 | 2016 | 364,512 | 2015 | 365,410 | 2014 | 365,924 | 2013 | 365,576 | 2012 | 363,401 | 2011 | 358,762 | 2010 | 350,401 | 2009 | 344,484 | 2008 | 341,897 | 2007 | 342,698 | 2006 | 347,001 | 2005 | 353,482 | 2004 | 359,749 | 2003 | 364,056 | 2002 | 366,374 | 2001 | 368,177 | 2000 | 371,797 | 1999 | 378,448 | 1998 | 386,457 | 1997 | 392,899 | 1996 | 397,175 | 1995 | 399,108 | 1994 | 398,420 | 1993 | 396,178 | 1992 | 393,444 | 1991 | 389,872 | 1990 | 385,822 | 1989 | 381,120 | 1988 | 374,866 | 1987 | 369,021 | 1986 | 363,705 | 1985 | 358,638 | 1984 | 354,749 | 1983 | 352,943 | 1982 | 352,839 | 1981 | 354,212 | 1980 | 351,469 | 1979 | 342,927 | 1978 | 332,244 | 1977 | 316,407 | 1976 | 295,386 | 1975 | 279,713 | 1974 | 274,479 | 1973 | 274,467 | 1972 | 278,945 | 1971 | 287,312 | 1970 | 295,381 | 1969 | 299,212 | 1968 | 300,072 | 1967 | 303,414 | 1966 | 310,368 | 1965 | 318,296 | 1964 | 323,595 | 1963 | 326,056 | 1962 | 326,568 | 1961 | 326,446 | 1960 | 326,956 |
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