Year	Cubic Meters
1993	1728855
1994	1794280
1995	1851861
1996	1919391
1997	1995281
1998	2075863
1999	2159403
2000	2246531
2001	2285742
2002	1266190
2003	1266190
2004	1266190
2005	1265020
2006	1265020
2007	1265020
2008	1265020
2009	1265020
2010	1265020
2011	1265020