Year Index (Units) 1980 0.087 1981 0.101 1982 0.111 1983 0.118 1984 0.132 1985 0.147 1986 0.164 1987 0.210 1988 0.272 1989 0.503 1990 0.707 1991 0.949 1992 1.247 1993 1.722 1994 2.769 1995 4.429 1996 8.852 1997 13.282 1998 18.034 1999 22.285 2000 25.897 2001 29.142 2002 35.679 2003 46.772 2004 56.944 2005 66.029 2006 75.050 2007 89.083 2008 117.092 2009 147.583 2010 189.183 2011 238.542 2012 288.800 2013 406.167 2014 658.675 2015 1460.533 2016 5184.142 2017 27896.758 2018 18265146.450 2019 3654129639.975 2020 89714263101.083 2021 1514837123421.100 2022 4340647318305.240 2023 18988491154168.800 2024 37973318370170.700 2025 94933295925426.700