Year	Tonnes
1992	43432936.16803
1993	81253692.17948
1994	118045431.42879
1995	156909252.21277
1996	202400221.90506
1997	251276762.10483
1998	302734624.21641
1999	338219898.49811
2000	377642127.69567
2001	419993367.06256
2002	465270104.59618
2003	513690084.4578
2004	566608939.65145
2005	616700632.7512
2006	670708208.7512
2007	723164643.7512
2008	775261712.7512
2009	821443910.7512
2010	867398754.7512
2011	916617228.7512
2012	960679900.7512
2013	1005563980.7512
2014	1043231404.7512