Year	Cubic Meters
1990	118960
1991	122050
1992	127940
1993	133530
1994	137960
1995	143470
1996	147130
1997	154820
1998	159210
1999	169410
2000	178590
2001	184940
2002	191520
2003	198330
2004	205390
2005	212690
2006	219230
2007	225960
2008	232900
2009	240050
2010	247430
2011	247430