Year current LCU 1977 1967.5812787426423 1978 2447.2184091596996 1979 2851.2607673085404 1980 3095.080389717202 1981 3140.662672491651 1982 3360.2263761990594 1983 3500.510211149251 1984 3811.961081330683 1985 4362.042922764875 1986 4871.514485643206 1987 5592.459547311603 1988 6219.9036214543885 1989 7014.881822946061 1990 7257.227982674892 1991 7953.811223160047 1992 8145.518606492478 1993 7963.091031877306 1994 8277.297574970438 1995 8529.365750528541 1996 9052.142189496977 1997 9598.997621957575 1998 10745.571563088512 1999 11518.261984778559 2000 12221.68255268449 2001 11982.094018677735 2002 12292.215723775998 2003 13421.185396358285 2004 13163.356039300194 2005 16340.796705788453 2006 16294.578693192057 2007 17341.66032669501 2008 18802.020839630863 2009 16885.134526574187 2010 17310.448180008592 2011 17548.031639951965 2012 17833.52802125751 2013 18861.161229637863 2014 18968.484047062015 2015 19983.5266431333 2016 21721.821182668424 2017 22442.172988976276 2018 23337.628654442786 2019 24026.514781134905 2020 21222.435166541327 2021 22187.62539122061 2022 24617.18139638706 2023 26477.991774567334