Year	Tonnes
1899	95342
1902	190684
1903	2156196
1904	4246386
1905	6545595
1906	23670485
1907	40524017
1908	63274085
1909	84128314
1910	102892353
1911	130761553
1912	140556110
1913	151322422
1914	166441463
1915	182543260
1916	200522561
1917	220390367
1918	241449948
1919	265725488
1920	292516590
1921	317826224
1922	344481647
1923	376659572
1924	411782098
1925	445030787
1926	474645479
1927	508198529
1928	542341966
1929	578190558
1930	616144008
1931	656437004
1932	695068849
1933	737320023
1934	786633839
1935	844308415
1936	909401332
1937	970027843
1938	1025377541
1939	1092589984
1940	1178760817
1941	1286464274
1942	1400427300
1943	1497811819
1944	1595757389
1945	1646149303
1946	1677450815
1947	1711066204
1948	1734938374
1949	1794296103
1950	1873008258
1951	1974815179
1952	2103141844
1953	2237354044
1954	2398742381
1955	2589789414
1956	2806314763
1957	3062872751
1958	3588683881
1959	4310433822
1960	5091160124
1961	5643226974
1962	6083586003
1963	6520281699
1964	6957204749
1965	7433177682
1966	7955967204
1967	8389201252
1968	8858129878
1969	9435367016
1970	10206984490
1971	11083617510
1972	12015193191
1973	12983735899
1974	13971750377
1975	15117357847
1976	16313551582
1977	17623862357
1978	19086030936
1979	20580890820
1980	22048083189
1981	23499584465
1982	25079845112
1983	26746874313
1984	28561782623
1985	30528336051
1986	32597305121.99999
1987	34807013653
1988	37176515375.99998
1989	39585055980.99998
1990	42027486999.99998
1991	44593081547.99998
1992	47283537445.99998
1993	50162231455
1994	53220472785
1995	56540757934.99998
1996	60003847065.99998
1997	63473357113.99998
1998	66797701632.99998
1999	70115757247
2000	73520937114
2001	77008503470
2002	80858772796
2003	85399189857.00003
2004	90632728590
2005	96529686295
2006	103058977813
2007	110089775585
2008	117642845831.99997
2009	125643854796.99997
2010	134419895213
2011	144153433333
2012	154182007272
2013	164440014400
2014	174731941278