Year	Cubic Meters
1990	3657000
1991	3565000
1992	2774000
1993	2492000
1994	2514000
1995	2852000
1996	2911000
1997	2607000
1998	2521000
1999	2704000
2000	2947000
2001	2194000
2002	2745000
2003	2593000
2004	2718000
2005	2485000
2006	2876000
2007	2981000
2008	3186000
2009	3137000
2010	7636000
2011	7904000