Year current LCU 1991 -4000 1992 3000 1993 0 1994 20200 1995 -1600 1996 1100 1997 800 1998 -1400 1999 2500 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0 2022 0 2023 0