Year	Cubic Meters
1990	0
1991	0
1992	0
1993	5000
1994	3000
1995	3000
1996	3000
1997	3000
1998	2000
1999	1000
2000	1000
2001	1000
2002	1000
2003	1000
2004	1000
2005	1000
2006	1000
2007	1000
2008	1000
2009	1000
2010	1000
2011	1000