Year current LCU 1990 4100000 1991 4900000 1992 7200000 1993 8000000 1994 7800000 1995 9300000 1996 13600000 1997 9200000 1998 11800000 1999 12700000 2000 2266000 2001 3461000 2002 2509000 2003 2728000 2004 2496000 2005 3028000 2006 2630481 2007 2574472 2008 2203803 2009 2715484 2010 2902018 2011 2814201 2012 2695020 2013 3896000 2014 11230000 2015 8880000 2016 15080000 2017 18000000