Year	% of fertilizer production
1961	314.61645193260654
1962	366.1156719177576
1963	300.47983061566805
1964	220.25778079693953
1965	198.04380115665393
1966	105.54019973771815
1967	111.93445959698758
1968	120.76591050972611
1969	120.35050566653322
1970	119.62660659017337
1971	107.2576813186135
1972	92.27516404558419
1973	97.34145146813094
1974	97.99770114942528
1975	97.34399158559033
1976	110.24368807746721
1977	109.90401396160559
1978	111.81498919419575
1979	114.1678129298487
1980	109.36267386340046
1981	128.8986770441844
1982	111.3499245852187
1983	107.88675429726997
1984	104.5140562248996
1985	110.06201550387598
1986	112.30842210386152
1987	98.67970660146699
1988	102.69072491294713
1989	102.57422615287427
1990	110.45865735597525
1991	112.46981717833735
1992	124.35643564356435
1993	127.56892230576442
1994	122.2737819025522
1995	119.95249406175772
1996	117.15481171548117
1997	138.08219178082192
1998	136.41618497109826
1999	142.9878048780488
2000	131.07214716872664
2001	129.42942942942943
2002	207.52204231529805
2003	141.13456851147964
2004	175.08644987947605
2005	188.15739565291133
2006	381.33802660999316
2007	510.6254805364923
2008	472.58867688457934
2009	630.6866262920632
2010	185.19167243143735
2011	87.48719011225593
2012	147.8004006051695
2013	169.1908281739042
2014	124.66393265466613
2015	98.09824571591433
2016	135.77296021578903
2017	79.90790666197746
2018	149.42011231382426
2019	187.57907669265165
2020	254.82332977856842
2021	271.65695689763214