Year | Value | 2022 | 251.17251657385 | 2021 | 218.13024312663 | 2020 | 203.19005919024 | 2019 | 195.7589698789 | 2018 | 182.43897355945 | 2017 | 170.7842340512 | 2016 | 163.74102668292 | 2015 | 162.54909928213 | 2014 | 153.73154544223 | 2013 | 136.94974942435 | 2012 | 123.94690505215 | 2011 | 108.41121495327 | 2010 | 100 | 2009 | 90.870919680347 | 2008 | 84.437220642016 | 2007 | 65.989435188948 | 2006 | 60.192333739672 | 2005 | 57.274121805471 | 2004 | 50.81251418779 | 2003 | 46.943802867997 | 2002 | 44.653525766679 | 2001 | 44.247740934914 | 2000 | 41.634211509987 | 1999 | 37.308132540832 | 1998 | 34.684286552385 | 1997 | 31.716555113291 | 1996 | 23.226023336785 | 1995 | 15.811853020808 | 1994 | 15.804975311795 | 1993 | 8.4257247711328 | 1992 | 2.2886632031108 |
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