Year | Value | 2021 | 865.89932948885 | 2020 | 811.17662606012 | 2019 | 844.55052318576 | 2018 | 749.60057828509 | 2017 | 675.39791599926 | 2016 | 565.32317009277 | 2015 | 608.83530999676 | 2014 | 607.48466694378 | 2013 | 590.47040228421 | 2012 | 572.41824518061 | 2011 | 523.45164085387 | 2010 | 548.55744108229 | 2009 | 546.41479125882 | 2008 | 597.25018458075 | 2007 | 555.61449273541 | 2006 | 379.29481335025 | 2005 | 232.2136402401 | 2004 | 315.45815816458 | 2003 | 293.8992108183 | 2002 | 289.79619545846 | 2001 | 280.73340568861 | 2000 | 303.61568292783 | 1999 | 362.97890699876 | 1998 | 379.77304861531 | 1997 | 414.60739113039 | 1996 | 423.79198471409 | 1995 | 413.72489417867 | 1994 | 412.05327971573 | 1993 | 413.03638171707 | 1992 | 414.02320674485 | 1991 | 378.10674228429 | 1990 | 345.85401873647 | 1989 | 325.13157380769 | 1988 | 334.90163625147 | 1987 | 290.31071699825 | 1986 | 282.78922177546 |
|