Year	% of fertilizer production
1961	118.66666666666667
1962	118.75
1963	109.375
1964	113.58024691358024
1965	120
1966	139.3939393939394
1967	646.9222222222222
1968	1621.3428571428572
1969	835.0242424242424
1970	478.87538461538463
1971	299.6875
1972	614.6285714285714
1973	605.8536585365854
1974	298.7368421052631
1975	330
1976	380.0841514726508
1977	297.58865248226954
1978	235.3793103448276
1979	362.66666666666663
1980	396.8492660221984
1981	673.5200196511913
1982	693.7064349934337
1983	783.7509427637643
1984	1369.8479976615024
1985	703.448275862069
1986	834.1026294009041
1987	649.6087251216958
1988	776.4730458221024
1989	841.5321375186845
1990	663.8376777251185
1991	555.3267045454546
1992	492.5449871465296
1993	431.4073226544623
1994	549.8375870069606
1995	504.41055234954655
1996	543.1759970728137
1997	472.3042362002567
1998	527.9783906738697
1999	331.0699919549477
2000	998.6784140969164
2001	730.4597701149424
2002	441.1886381755972
2003	443.61714030414737
2004	363.7365732478924
2005	258.466992141214
2006	266.17015505163903
2007	269.33626573574526
2008	208.0766708122431
2009	311.49922049195544
2010	258.3030194226031
2011	243.87601419993962
2012	194.37425102002652
2013	216.89035658901744
2014	183.60492710886663
2015	218.84628547881033
2016	208.62098852732663
2017	208.00128629494407
2018	193.90435758548898
2019	180.21351451168874
2020	180.21351451168874
2021	180.21351451168874