Year | Value | 2022 | 88.85076734742 | 2021 | 86.970940599777 | 2020 | 84.769836089285 | 2019 | 82.751816025381 | 2018 | 81.74182058308 | 2017 | 78.702690052325 | 2016 | 76.909974159351 | 2015 | 75.658720189309 | 2014 | 75.170946810344 | 2013 | 73.587596519246 | 2012 | 71.828587961653 | 2011 | 69.634821132831 | 2010 | 68.73394290106 | 2009 | 65.081330807213 | 2008 | 62.298230600392 | 2007 | 58.292527101883 | 2006 | 52.607902685427 | 2005 | 48.296636850964 | 2004 | 44.183019477004 | 2003 | 38.602306291944 | 2002 | 32.134611941568 | 2001 | 24.136302744943 | 2000 | 19.656397860987 | 1999 | 13.633009541561 | 1998 | 7.6887729447235 | 1997 | 4.799629442392 | 1996 | 2.6231687208943 | 1995 | 1.5143851676372 | 1994 | 0.78517680704567 | 1993 | 0.41522750518715 | 1992 | 0.27223781003572 | 1991 | 0.14545699273114 | 1990 | 0.066858553674095 |
|