Year	Cubic Meters
1990	8340840
1991	8550350
1992	8632960
1993	8845670
1994	9042330
1995	9267670
1996	9273090
1997	9440780
1998	9453860
1999	9551820
2000	9594920
2001	9690200
2002	9787380
2003	9886500
2004	9987630
2005	10090790
2006	10192640
2007	10296400
2008	10402200
2009	10510000
2010	10619870
2011	10619870