Year	Cubic Meters
1990	173220
1991	187320
1992	202590
1993	216080
1994	232820
1995	247730
1996	258480
1997	268710
1998	278490
1999	289930
2000	301900
2001	313820
2002	326260
2003	339240
2004	352770
2005	366890
2006	380530
2007	394700
2008	409500
2009	424820
2010	440790
2011	456130