Year	Cubic Meters
1990	7007050
1991	9862700
1992	9657700
1993	9895700
1994	10248700
1995	10412700
1996	10401700
1997	6759660
1998	6635550
1999	6591170
2000	6582560
2001	6533930
2002	6468370
2003	6403860
2004	6340390
2005	6277920
2006	6277920
2007	6125000
2008	5968600
2009	5894450
2010	5822590
2011	5822590