Year constant LCU 1960 19745.11070388332 1961 20812.3588621948 1962 21879.455493067493 1963 23027.279107885992 1964 24318.66732396066 1965 25729.808507464877 1966 26863.34597624717 1967 28162.41441324538 1968 29194.569439013394 1969 30474.215800504557 1970 27727.81455608673 1971 27368.135308291923 1972 25748.405161862822 1973 27069.912977957098 1974 22055.53303240096 1975 18407.702849778532 1976 18966.18814473042 1977 20266.125506257184 1978 22657.41737225174 1979 28005.510840759798 1980 29247.922739151294 1981 26059.76291407829 1982 27299.97351340365 1983 27754.9069660471 1984 31086.30528257462 1985 31955.604515327548 1986 31898.326474223017 1987 32231.674692225824 1988 32364.093761580138 1989 33885.48581250582 1990 32705.732553562117 1991 30727.426120597844 1992 28932.00696520589 1993 28397.564581280105 1994 28710.62119681493 1995 29411.858296000053 1996 30113.34096342475 1997 29986.03995860348 1998 30880.030945028186 1999 32582.61727531598 2000 33439.174927849264 2001 33837.13663363934 2002 34297.10001736516 2003 33414.28107181896 2004 33257.25977807508 2005 33920.54145438235 2006 34294.9663135449 2007 34304.35098667472 2008 33033.53133312201 2009 31201.688868843685 2010 31239.150003214814 2011 31041.672178859637 2012 31628.247845239373 2013 30436.717230649552 2014 30721.659286975337 2015 30746.122328410962 2016 30198.219083984888 2017 30806.80166407699 2018 31389.95187929516 2019 30761.005247715402 2020 24057.116005815915 2021 27665.001250288056 2022 30492.507024664377 2023 31097.054696417796