Year Index (Units) 1992 20.419 1993 27.515 1994 34.768 1995 42.814 1996 48.430 1997 51.530 1998 52.920 1999 54.510 2000 55.460 2001 57.220 2002 58.050 2003 60.130 2004 64.540 2005 69.140 2006 73.800 2007 84.150 2008 92.900 2009 91.630 2010 93.830 2011 97.470 2012 99.020 2013 98.620 2014 98.890 2015 99.290 2016 101.380 2017 103.570 2018 106.210 2019 108.480 2020 107.950 2021 116.460 2022 140.570 2023 141.770 2024 149.829 2025 152.845 2026 156.442 2027 159.829 2028 163.569 2029 167.331