Year	Cubic Meters
1990	2340800
1991	3496500
1992	2437400
1993	2773200
1994	4138700
1995	4555700
1996	5054600
1997	7386100
1998	8028800
1999	10395500
2000	10439200
2001	9804800
2002	9430900
2003	8136600
2004	5724800
2005	5200600
2006	4320300
2007	4276200
2008	4778900
2009	5325300
2010	6828900
2011	6622700