Year current LCU 1977 12570000 1978 11520000 1979 12780000 1980 15570000 1981 12610000 1982 18940000 1983 14800000 1984 17700000 1985 14780000 1986 20630000 1987 23580000 1988 25380000 1989 22100000 1990 20530000 1991 22550000 1992 26050000 1993 27440000 1994 25770000 1995 24520000 1996 25090000 1997 30830000 1998 23410000 1999 19210000 2000 17580000 2001 21480000 2002 23170000 2003 22560000 2004 24390000 2005 24540000 2006 20680000 2007 21500000 2008 25700000 2009 23460000 2010 26670000 2011 30130000 2012 25960000 2013 25590000 2014 24110000 2015 21940000 2016 21460000 2017 25760000 2018 26620000 2019 26920000 2020 26900000 2021 28730000 2022 31430000 2023 40280000