Year	Tonnes
1884	22.002
1885	36.67
1886	47.671
1887	47.671
1888	80.674
1889	132.012
1890	297.027
1891	297.027
1892	480.377
1893	1800.497
1894	2434.888
1895	3340.637
1896	4261.054
1897	4781.768
1898	6054.217
1899	5522.502
1900	2332.212
1901	3912.689
1902	5830.53
1903	7788.708
1904	8775.131
1905	10036.579
1906	11474.043
1907	12662.151
1908	13017.85
1909	14987.029
1910	16992.878
1911	16354.82
1912	17363.245
1913	18998.727
1914	18415.674
1915	18525.684
1916	21829.651
1917	23358.79
1918	22240.355
1919	23157.105
1920	25687.335
1921	25434.312
1922	21803.982
1923	26464.739
1924	27799.527
1925	28976.634
1926	30454.435
1927	29585.356
1928	29647.695
1929	30795.466
1930	28745.613
1931	25588.326
1932	23476.134
1933	25353.638
1934	28895.96
1935	32185.259
1936	35283.874
1937	36849.683
1938	38734.521
1939	40193.987
1940	41554.444
1941	44367.033
1942	48466.739
1943	48807.77
1944	54616.298
1945	55918.083
1946	56094.099
1947	55885.08
1948	57150.195
1949	60641.179
1950	61088.553
1951	65202.927
1952	70949.116
1953	71062.793
1954	73967.057
1955	83013.546
1956	87344.273
1957	89735.157
1958	96343.091
1959	94560.929
1960	97934.569
1961	102213.958
1962	105767.281
1963	109826.65
1964	119657.877
1965	128260.659
1966	128356.001
1967	133885.837
1968	138084.552
1969	143280.691
1970	149763.947
1971	168568.323
1972	171725.61
1973	173533.441
1974	176734.732
1975	185201.835
1976	193115.221
1977	199950.509
1978	202099.371
1979	218908.899
1980	228454.1
1981	257368.395
1982	280749.187
1983	292230.564
1984	315948.72
1985	324214.138
1986	330855.075
1987	329025.242
1988	343055.184
1989	341108.007
1990	313304.813
1991	326410.671
1992	301687.757
1993	321049.517
1994	339168.164
1995	362259.263
1996	364400.791
1997	386131.433
1998	377726.669
1999	375236.776
2000	378665.421
2001	372042.819
2002	356637.752
2003	404459.099
2004	450186.589
2005	416915.898
2006	447894.714
2007	466578.079
2008	496772.157
2009	503112.4
2010	474099.096
2011	470582.443
2012	468770.945
2013	466376.394
2014	489771.854