Year	Cubic Meters
1990	89890
1991	96370
1992	96800
1993	96840
1994	97480
1995	98220
1996	99340
1997	161000
1998	177000
1999	177000
2000	177000
2001	177000
2002	177000
2003	177000
2004	177000
2005	177000
2006	177000
2007	177000
2008	177000
2009	177000
2010	177000
2011	177000