Year	Cubic Meters
1990	137680
1991	145540
1992	148420
1993	155600
1994	162130
1995	169050
1996	177030
1997	147760
1998	208950
1999	217370
2000	226140
2001	233540
2002	241200
2003	249120
2004	257300
2005	265770
2006	273440
2007	281300
2008	289500
2009	297840
2010	306470
2011	314070