Year | Value | 2022 | 412,743 | 2021 | 410,932 | 2020 | 407,303 | 2019 | 405,932 | 2018 | 399,474 | 2017 | 389,970 | 2016 | 386,678 | 2015 | 383,410 | 2014 | 380,184 | 2013 | 377,010 | 2012 | 374,465 | 2011 | 374,340 | 2010 | 375,947 | 2009 | 377,375 | 2008 | 378,592 | 2007 | 379,546 | 2006 | 380,230 | 2005 | 380,652 | 2004 | 380,750 | 2003 | 380,574 | 2002 | 380,510 | 2001 | 380,591 | 2000 | 380,557 | 1999 | 380,389 | 1998 | 380,072 | 1997 | 379,647 | 1996 | 379,151 | 1995 | 378,561 | 1994 | 377,857 | 1993 | 377,050 | 1992 | 376,329 | 1991 | 376,038 | 1990 | 377,423 | 1989 | 380,144 | 1988 | 382,786 | 1987 | 385,298 | 1986 | 387,598 | 1985 | 389,589 | 1984 | 391,175 | 1983 | 392,280 | 1982 | 392,836 | 1981 | 392,786 | 1980 | 391,933 | 1979 | 389,950 | 1978 | 386,877 | 1977 | 383,127 | 1976 | 379,077 | 1975 | 374,964 | 1974 | 370,901 | 1973 | 366,881 | 1972 | 362,857 | 1971 | 358,741 | 1970 | 354,307 | 1969 | 349,478 | 1968 | 344,313 | 1967 | 338,762 | 1966 | 332,726 | 1965 | 326,093 | 1964 | 318,870 | 1963 | 311,163 | 1962 | 303,153 | 1961 | 294,962 | 1960 | 286,736 |
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