Year | Value | 2022 | 381,119 | 2021 | 375,096 | 2020 | 369,101 | 2019 | 364,031 | 2018 | 361,792 | 2017 | 363,223 | 2016 | 368,353 | 2015 | 375,086 | 2014 | 381,093 | 2013 | 385,409 | 2012 | 387,486 | 2011 | 388,429 | 2010 | 388,144 | 2009 | 392,011 | 2008 | 397,551 | 2007 | 401,487 | 2006 | 403,641 | 2005 | 403,553 | 2004 | 401,271 | 2003 | 398,153 | 2002 | 394,746 | 2001 | 390,529 | 2000 | 386,307 | 1999 | 381,622 | 1998 | 375,741 | 1997 | 370,188 | 1996 | 364,216 | 1995 | 358,536 | 1994 | 353,995 | 1993 | 351,084 | 1992 | 349,629 | 1991 | 349,619 | 1990 | 345,679 | 1989 | 336,597 | 1988 | 325,353 | 1987 | 309,270 | 1986 | 288,794 | 1985 | 273,894 | 1984 | 269,524 | 1983 | 270,264 | 1982 | 275,321 | 1981 | 284,380 | 1980 | 292,579 | 1979 | 296,082 | 1978 | 297,238 | 1977 | 300,964 | 1976 | 308,311 | 1975 | 316,539 | 1974 | 322,371 | 1973 | 325,521 | 1972 | 326,415 | 1971 | 325,332 | 1970 | 325,341 | 1969 | 327,234 | 1968 | 330,241 | 1967 | 333,100 | 1966 | 335,490 | 1965 | 337,208 | 1964 | 329,684 | 1963 | 306,438 | 1962 | 276,986 | 1961 | 250,542 | 1960 | 229,973 |
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