Year Index (Units) 1989 52.084 1990 54.009 1991 56.484 1992 57.309 1993 58.107 1994 58.877 1995 60.389 1996 62.287 1997 69.354 1998 69.959 1999 71.444 2000 73.671 2001 75.587 2002 76.984 2003 79.212 2004 80.556 2005 85.422 2006 92.190 2007 94.819 2008 100.963 2009 102.157 2010 106.540 2011 108.710 2012 109.260 2013 109.930 2014 109.330 2015 106.710 2016 106.740 2017 107.547 2018 106.741 2019 105.848 2020 104.600 2021 106.620 2022 110.730 2023 113.022 2024 115.623 2025 117.986 2026 120.397 2027 122.858 2028 125.369 2029 127.931