Year 2010 = 100 1991 0.372875406160646 1992 4.17851848417156 1993 21.3293252627819 1994 36.7407613223404 1995 51.307602075259 1996 63.9421993343938 1997 69.6209370594386 1998 73.1490155416621 1999 73.6812116625561 2000 74.4044778412456 2001 75.4216765680072 2002 75.6339935731796 2003 74.7760707174463 2004 75.6465408418078 2005 77.6575926625653 2006 80.561303272864 2007 85.1832452797291 2008 94.4902692299447 2009 98.6979630285178 2010 99.9999999999999 2011 104.130275626451 2012 107.347883202239 2013 108.472330133615 2014 108.584878864148 2015 107.624882767344 2016 108.599453068237 2017 112.642489751195 2018 115.681502787888 2019 118.382098321258 2020 119.802558548614 2021 125.413564341792 2022 150.12636507601 2023 163.813865619739