Year	Tonnes
1860	64858.41261
1861	278091.54995
1862	640587.88343
1863	1152347.41305
1864	1813370.13881
1865	2623656.06071
1866	3583205.17875
1867	4691129.02152
1868	5948316.06043
1869	7354766.29548
1870	8910479.72666
1871	10615456.35399
1872	12468807.70605
1873	14471422.25425
1874	16623299.99859
1875	18924440.93907
1876	22902127.4219
1877	27081496.91379
1878	31462549.41476
1879	36170559.39298
1880	41158437.86397
1881	46426184.82771
1882	51812986.9598
1883	57566727.7824
1884	63509713.0144
1885	69749447.69586
1886	76309032.08333
1887	83199127.83368
1888	90584102.15695
1889	98402650.52614
1890	106764054.92415
1891	115432870.42849
1892	124233179.70086
1893	133228952.68247
1894	142450397.40109
1895	152021011.3821
1896	161827070.2856
1897	172205304.7743
1898	182815430.29986
1899	193700981.96115
1900	204507459.66734
1901	215799042.76099
1902	227241665.99359
1903	238899299.30633
1904	250670656.959
1905	262788518.45984
1906	275443016.68966
1907	288742545.15994
1908	302287291.73817
1909	315749410.47567
1910	329071150.73109
1911	342561700.55357
1912	356915844.58228
1913	371930122.86535
1914	385617913.33988
1915	399275495.78661
1916	413811776.45347
1917	427480909.02847
1918	439134988.4556
1919	450144926.11367
1920	461064239.68838
1921	471550867.68856
1922	480910025.47505
1923	490802266.10489
1924	502944116.33368
1925	514370747.08098
1926	525956414.20987
1927	538389683.0597
1928	551480420.74967
1929	566124206.45661
1930	579033695.97983
1931	591112464.73883
1932	601639962.42367
1933	611268327.04605
1934	620886030.01156
1935	630787155.35546
1936	641544767.13435
1937	654575088.76873
1938	669505850.73967
1939	685909698.30109
1940	704397899.78001
1941	723006933.3701
1942	743077502.42238
1943	765236867.74921
1944	786364717.77414
1945	797577226.91269
1946	811532447.28029
1947	827369450.08494
1948	844485851.71363
1949	862479174.61965
1950	881004691.89761
1951	900745638.05842
1952	921853053.24102
1953	943729884.66087
1954	967093128.74227
1955	991344844.22926
1956	1017368171.69899
1957	1044548288.93881
1958	1074246334.14207
1959	1103971921.9589
1960	1135675247.12457
1961	1170084856.19168
1962	1206753848.04319
1963	1245326834.11689
1964	1285470637.63567
1965	1324586479.73819
1966	1363481980.93211
1967	1402296631.22813
1968	1442905993.76344
1969	1486017291.7769
1970	1535444733.01269
1971	1587302143.54277
1972	1639643770.9889
1973	1692207516.28643
1974	1745389637.68224
1975	1801043486.52841
1976	1858873201.84687
1977	1918443432.64888
1978	1978567181.13658
1979	2037135216.19308
1980	2096401589.77438
1981	2155035371.7149
1982	2213104974.31287
1983	2271266977.93702
1984	2331398722.66736
1985	2390720181.47581
1986	2450460998.78769
1987	2509734480.14024
1988	2568067070.27426
1989	2624485893.00064
1990	2677245990.47881
1991	2725902238.53455
1992	2770085921.53455
1993	2812967819.53455
1994	2853389160.53455
1995	2895504655.53455
1996	2936817077.53455
1997	2977865475.53455
1998	3018345488.53455
1999	3057586055.53455
2000	3093471317.53455
2001	3132829228.53455
2002	3172080796.53455
2003	3211574386.53455
2004	3250323575.53455
2005	3289681486.53455
2006	3328786374.53455
2007	3365566384.53455
2008	3403277812.53455
2009	3437314906.53455
2010	3473555867.53455
2011	3508080672.53455
2012	3540845317.53455
2013	3573936325.53455
2014	3604614447.53455