Year Cubic Meters 1990 1785000 1991 1661000 1992 1350000 1993 2020000 1994 2761000 1995 2191000 1996 2651000 1997 3006000 1998 1617000 1999 1984000 2000 1993000 2001 1646000 2002 2227000 2003 2149000 2004 2777000 2005 2832000 2006 3633000 2007 3482000 2008 2756000 2009 2863000 2010 3756000 2011 3526000