Year	Cubic Meters
1990	2155200
1991	2206700
1992	2294700
1993	2399100
1994	2508200
1995	2614500
1996	2716300
1997	2811700
1998	2882000
1999	2970000
2000	3038700
2001	3074200
2002	3110600
2003	3148200
2004	3186800
2005	3226600
2006	3258200
2007	3290500
2008	3323600
2009	3357500
2010	3401300
2011	3401300