Year Index (Units) 1990 99.999 1991 111.993 1992 126.744 1993 147.499 1994 178.156 1995 259.651 1996 355.125 1997 402.322 1998 368.757 1999 492.146 2000 607.043 2001 623.726 2002 678.064 2003 751.921 2004 858.042 2005 1017.066 2006 1155.271 2007 1281.060 2008 1542.112 2009 1407.867 2010 1740.353 2011 2055.594 2012 2176.734 2013 2377.188 2014 2547.474 2015 3731.444 2016 3736.460 2017 4429.706 2018 5087.680 2019 5425.245 2020 7066.120 2021 9472.966 2022 12282.323 2023 11924.873 2024 13956.896 2025 16343.610 2026 19177.682 2027 22448.593 2028 24523.489 2029 26904.430