Year | Value | 2021 | 414,138.32 | 2020 | 414,138.32 | 2019 | 414,138.32 | 2018 | 414,138.32 | 2017 | 412,314 | 2016 | 410,097.1 | 2015 | 406,980 | 2014 | 404,915.72 | 2013 | 402,851.44 | 2012 | 400,787.16 | 2011 | 398,722.88 | 2010 | 396,658.6 | 2009 | 394,442.74 | 2008 | 392,226.88 | 2007 | 390,011.02 | 2006 | 387,795.16 | 2005 | 385,579.3 | 2004 | 383,363.44 | 2003 | 381,147.58 | 2002 | 378,931.72 | 2001 | 376,715.86 | 2000 | 374,500 | 1999 | 372,310 | 1998 | 370,120 | 1997 | 367,930 | 1996 | 365,740 | 1995 | 363,550 | 1994 | 361,360 | 1993 | 359,170 | 1992 | 356,980 | 1991 | 354,790 | 1990 | 352,600 | 1989 | 352,100 | 1988 | 351,600 | 1987 | 351,100 | 1986 | 350,100 | 1985 | 349,600 | 1984 | 349,100 | 1983 | 348,100 | 1982 | 348,100 | 1981 | 347,300 | 1980 | 346,800 | 1979 | 346,800 | 1978 | 346,800 | 1977 | 346,800 | 1976 | 346,800 | 1975 | 346,800 | 1974 | 346,600 | 1973 | 346,600 | 1972 | 346,080 | 1971 | 345,890 | 1970 | 345,890 | 1969 | 345,040 | 1968 | 344,000 | 1967 | 343,000 | 1966 | 342,740 | 1965 | 342,680 | 1964 | 342,580 | 1963 | 342,500 | 1962 | 342,400 | 1961 | 342,290 |
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