Year | Value | 2021 | 78.204901678174 | 2020 | 97.150425775777 | 2019 | 85.023339237285 | 2018 | 77.003038172769 | 2017 | 85.612859394475 | 2016 | 93.099477198331 | 2015 | 94.70480504351 | 2014 | 78.284911822666 | 2013 | 76.356732089673 | 2012 | 69.875681943172 | 2011 | 71.522663398777 | 2010 | 79.229691206003 | 2009 | 84.606195853726 | 2008 | 63.093679030411 | 2007 | 66.615086315453 | 2006 | 71.759809218138 | 2005 | 79.648204514773 | 2004 | 79.183264712369 | 2003 | 88.259634897817 | 2002 | 61.803965750138 | 2001 | 78.791550249399 | 2000 | 54.526529721025 | 1999 | 67.925050027402 | 1998 | 56.863847467987 | 1997 | 43.455769719019 | 1996 | 97.285056805612 | 1995 | 95.361295000843 | 1994 | 94.744620749433 | 1993 | 95.407121909149 | 1992 | 94.367298129415 | 1991 | 97.974625220251 | 1990 | 100.53156553691 | 1989 | 103.93272213212 | 1988 | 106.2138615288 | 1987 | 104.61301704545 | 1986 | 112.74086131586 | 1985 | 107.88239917931 | 1984 | 106.55347779175 | 1983 | 113.33957689565 | 1982 | 140.57653739373 | 1981 | 128.88178268954 |
|