Year current LCU 1996 21563100 1997 23462600 1998 21915200 1999 23271000 2000 23281000 2001 25481000 2002 31319000 2003 34407000 2004 37858000 2005 39025000 2010 18981000 2011 19755000 2012 17948000 2013 21226000 2014 13541000 2015 15165000 2016 21184000 2017 19620000 2018 16980000 2019 16402999.999999998 2020 17596000 2021 21213000 2022 17209000