| Year | Value | | 2023 | 560,201,093 | | 2022 | 558,297,598 | | 2021 | 554,957,505 | | 2020 | 543,899,499 | | 2019 | 551,708,034 | | 2018 | 547,825,572 | | 2017 | 543,717,758 | | 2016 | 541,695,126 | | 2015 | 539,067,979 | | 2014 | 535,794,628 | | 2013 | 531,840,670 | | 2012 | 529,578,926 | | 2011 | 526,257,286 | | 2010 | 520,571,908 | | 2009 | 519,527,358 | | 2008 | 518,516,874 | | 2007 | 516,583,600 | | 2006 | 510,650,066 | | 2005 | 506,996,220 | | 2004 | 502,573,208 | | 2003 | 498,740,471 | | 2002 | 494,543,374 | | 2001 | 491,190,895 | | 2000 | 487,131,358 | | 1999 | 480,272,297 | | 1998 | 473,865,454 | | 1997 | 466,603,327 | | 1996 | 459,497,406 | | 1995 | 452,060,765 | | 1994 | 445,064,986 | | 1993 | 437,626,854 | | 1992 | 432,357,620 | | 1991 | 425,682,827 |
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