Year Index (Units) 1994 32.265 1995 41.580 1996 46.960 1997 52.110 1998 54.780 1999 56.790 2000 59.650 2001 62.160 2002 63.840 2003 64.600 2004 67.700 2005 70.180 2006 73.760 2007 80.940 2008 87.040 2009 85.410 2010 90.040 2011 93.720 2012 97.130 2013 99.120 2014 99.180 2015 99.010 2016 101.340 2017 105.150 2018 108.640 2019 110.590 2020 109.620 2021 122.810 2022 144.300 2023 150.450 2024 155.921 2025 159.834 2026 163.846 2027 167.958 2028 172.174 2029 176.496