Year	% of fertilizer production
1961	231.84784368423018
1962	222.99669992054862
1963	236.66147071254255
1964	234.03257877189947
1965	262.21970713546676
1966	284.0125079582317
1967	248.63658027954023
1968	269.20167897647013
1969	245.25651162790697
1970	243.32685842663824
1971	213.61768817336954
1972	232.46222508607647
1973	214.7197150410407
1974	213.0732831525475
1975	208.63518416477922
1976	207.70732798554423
1977	214.17651845060297
1978	219.481023987357
1979	215.32194070950587
1980	205.22603889173524
1981	184.22815166549194
1982	177.411978326697
1983	156.6460212791654
1984	159.78611105090468
1985	155.475924055662
1986	173.12146566688116
1987	170.52147205716568
1988	165.3880551504586
1989	150.29366955745257
1990	163.70565370596853
1991	152.02841286119323
1992	166.6510986236146
1993	182.27279461792665
1994	186.9024842020843
1995	163.39886142241224
1996	187.1628917249444
1997	210.39610461836526
1998	219.8634660292746
1999	222.6301098303932
2000	244.25488726590825
2001	272.56728800941306
2002	302.1468246619167
2003	336.82126111031533
2004	352.4338478248212
2005	310.0598705436429
2006	313.534035359237
2007	376.3136452674376
2008	347.87673942886835
2009	284.83735256364673
2010	313.54631364747513
2011	369.29123511194655
2012	355.64131440080047
2013	391.2466752952705
2014	431.4872321162119
2015	378.41988606376225
2016	457.9966368746587
2017	523.8704854325551
2018	522.6767266622669
2019	609.0689609033079
2020	642.817913155818
2021	689.6944144042823