| Year | Value | | 2022 | 126.9135800956 | | 2021 | 120.40137807812 | | 2020 | 116.67785624331 | | 2019 | 116.03433604565 | | 2018 | 113.84414354572 | | 2017 | 112.16348561267 | | 2016 | 111.51419007561 | | 2015 | 112.6832427325 | | 2014 | 113.02017376995 | | 2013 | 112.28996906614 | | 2012 | 110.35616773064 | | 2011 | 105.0825940389 | | 2010 | 100 | | 2009 | 96.79257511594 | | 2008 | 90.975935367512 | | 2007 | 83.907774623732 | | 2006 | 81.222287388877 | | 2005 | 77.622638376933 | | 2004 | 74.452667322566 | | 2003 | 72.795338057626 | | 2002 | 72.703264209574 | | 2001 | 72.784376885239 | | 2000 | 72.420465961985 | | 1999 | 70.890286296738 |
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