| Year | Value | | 2022 | 195.57943398714 | | 2021 | 177.04715663185 | | 2020 | 168.73137592962 | | 2019 | 162.73960723681 | | 2018 | 154.43664545242 | | 2017 | 147.15646591039 | | 2016 | 141.70006178499 | | 2015 | 136.87762598206 | | 2014 | 131.61641766895 | | 2013 | 124.12431308392 | | 2012 | 115.8573491781 | | 2011 | 108.08238798099 | | 2010 | 100 | | 2009 | 94.827056741038 | | 2008 | 91.455105532221 | | 2007 | 76.323127282904 | | 2006 | 68.68103350309 | | 2005 | 62.929180734647 | | 2004 | 57.417607274751 | | 2003 | 52.933987071819 | | 2002 | 50.268553460002 | | 2001 | 48.451536227106 | | 2000 | 45.715016218672 | | 1999 | 42.696416495242 |
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