Year Tonnes 1946 634165.07109 1947 1289984.55924 1948 2013860.78673 1949 3040898.85308 1950 8401913.81991 1951 15021978.46445 1952 22013261.6872 1953 29128284.43602 1954 36354672.75829 1955 43800698.73934 1956 52623326.94787 1957 61739836.53081 1958 71976188.82464 1959 81909379.27962 1960 93850243.54502 1961 106214915.6872 1962 119801515.64929 1963 135420537.32701 1964 151478834.32227 1965 168329064.28436 1966 185476269.109 1967 203675259.90521 1968 224543930.9763 1969 244784623.95261 1970 265316104.81517 1971 284783425.75355 1972 303712479.75355 1973 323748967.75355 1974 345167914.75355 1975 368387358.75355 1976 391225434.75355 1977 415614651.75355 1978 441753027.75355 1979 470003595.75355 1980 502071510.75355 1981 536471637.75355 1982 573856702.75355 1983 614160699.75355 1984 657016928.75355 1985 704192883.75355 1986 753646045.75355 1987 807180578.75355 1988 865394203.75355 1989 926350744.75355 1990 994916310.75355 1991 1063159180.75355 1992 1135949130.75355 1993 1213957221.75355 1994 1298796933.75355 1995 1383280946.75355 1996 1477728198.75355 1997 1572439474.75355 1998 1670102685.75355 1999 1770486810.75355 2000 1876936153.75355 2001 1985218996.75355 2002 2099303033.75355 2003 2218198174.75355 2004 2349799470.75355 2005 2486435557.75355 2006 2632510502.75355 2007 2791405279.75355 2008 2950476072.75355 2009 3109312177.75355 2010 3270707848.75355 2011 3432664570.75355 2012 3596161432.75355 2013 3760487036.75355 2014 3926785486.75355