Year	Cubic Meters
1990	1065960
1991	1060720
1992	1071360
1993	1168990
1994	1309650
1995	1374260
1996	1357950
1997	1458390
1998	1288120
1999	1334980
2000	1168870
2001	1188420
2002	1165010
2003	1210640
2004	1332300
2005	1360010
2006	579360
2007	606800
2008	491740
2009	501240
2010	505570
2011	554460