Year Index (Units) 1992 0.004 1993 0.022 1994 0.371 1995 1.502 1996 2.313 1997 3.952 1998 5.097 1999 6.580 2000 8.226 2001 10.467 2002 13.324 2003 14.989 2004 16.087 2005 17.808 2006 20.143 2007 22.390 2008 25.329 2009 28.444 2010 31.944 2011 35.920 2012 40.194 2013 44.897 2014 48.973 2015 53.119 2016 57.805 2017 65.826 2018 77.362 2019 88.599 2020 100.000 2021 110.849 2022 123.538 2023 135.831 2024 151.559 2025 166.246 2026 178.999 2027 189.601 2028 199.156 2029 209.122