Year	Tonnes
1992	1916.85283
1993	1669.16699
1994	1623.75275
1995	1715.20122
1996	2007.68131
1997	2157.0988
1998	2271.02189
1999	1566.09372
2000	1739.8458
2001	1869.11363
2002	1998.22647
2003	2136.94914
2004	2335.50081
2005	2210.7279
2006	2383.55
2007	2251.538
2008	2750.25
2009	1826.166
2010	2581.568
2011	2570.567
2012	2335.879
2013	2247.871
2014	2211.201