Year	Cubic Meters
1992	2471000
1993	4931000
1994	5700000
1995	6900000
1996	8080000
1997	8697000
1998	10030000
1999	14008000
2000	14304000
2001	12841000
2002	13465900
2003	12915810
2004	12754000
2005	12842600
2006	12844600
2007	12172900
2008	8805750
2009	10442310
2010	12533820
2011	12833490