Year constant LCU 1970 1916.2785438123994 1971 1904.0620785411063 1972 1893.662672317848 1973 2492.522545652198 1974 2802.851983673886 1975 2714.0184053300773 1976 2634.5049853803603 1977 2610.0473244545274 1978 2666.4519369439613 1979 2634.378267121782 1980 2361.8263758920216 1981 2420.6897964275204 1982 2438.5381386109084 1983 2706.622228106632 1984 2701.4748097836364 1985 2433.3143192562625 1986 2913.483576735608 1987 3065.642127372228 1988 3186.051913207568 1989 3041.5781030376547 1990 3051.155223750147 1991 2988.543472700402 1992 3137.7987474461734 1993 3263.1271156328253 1994 3392.813809795907 1995 3609.054378630212 1996 3184.7044236011684 1997 2932.767060411456 1998 2868.8337363218156 1999 2795.3152600398266 2000 2843.3258043133296 2001 3029.808913892654 2002 3135.184155305692 2003 3086.3918727054115 2004 3068.2911806727657 2005 3128.683316724497 2006 3143.016112596683 2007 3260.6158409540876 2008 3023.722311070648 2009 3148.59316908809 2010 3331.0911193728844 2011 3351.8810336670062 2012 3356.6760799449644 2013 3535.5020152536413 2014 3559.243062181876 2015 3708.2155617932203 2016 3872.4526457409834 2017 4114.260986685125 2018 4460.336250159691 2019 5061.103712998569 2020 5066.0058386798655 2021 5288.39002466371 2022 5313.444826979119 2023 5429.088484617582