Year	Cubic Meters
1990	27100
1991	17300
1992	15700
1993	24200
1994	18300
1995	12400
1996	14800
1997	14800
1998	22000
1999	25000
2000	18000
2001	17000
2002	15000
2003	14000
2004	14000
2005	12500
2006	16700
2007	15400
2008	15400
2009	15000
2010	14000
2011	11000
