Year current LCU 1983 5700000 1995 10632700 1996 8671300 1997 9607700 1998 11455400 1999 13282600 2000 14736300 2001 14536700 2002 15242900 2003 17309600 2004 18305600 2005 21526700 2006 21638400 2007 20892700 2008 19316700 2009 22629700 2010 26066700 2011 25036900 2012 25418500 2013 25038000 2014 20738700 2015 23352800 2016 24312500 2017 27767800 2018 29278300 2019 29101800 2020 27894000 2021 30098600 2022 31886700 2023 34520400