Year	% of fertilizer production
1967	623.5377358490566
1968	111.01168736303873
1969	54.25584868093579
1970	36.6367339381596
1971	52.8849902534113
1972	51.102929197484606
1973	79.12781130005484
1974	136.74911660777386
1975	165.1567944250871
1976	133
1977	155.97396094141212
1978	93.524798643493
1979	87.87878787878788
1980	62.17948717948718
1981	80.4635761589404
1982	96.84210526315789
1983	97.38219895287958
1984	45.56962025316456
1985	34.375
1986	43.93592677345538
1987	37.05882352941177
1988	49.26315789473684
1989	32.91611185086551
1990	18.093624884508777
1991	22.716406900979415
1992	29.310344827586203
1993	38.70967741935484
1994	42.38952536824877
1995	23.75366568914956
1996	35.880398671096344
1997	26.81498829039813
1998	24.082784571966133
1999	54.388489208633096
2000	73.74517374517374
2001	51.64075993091537
2002	82.13013698630137
2003	54.51825661249745
2004	70.4544189412354
2005	68.60485808345939
2006	133.65993059808125
2007	32.184391938115034
2008	90.50151975683892
2009	1660.1360544217687
2010	1360.1710632541292
2011	488.5055602170751
2012	549.0692067507214
2013	759.5698710341616
2014	543.745694321425
2015	334.59393546077644
2016	279.5509840085936
2017	129.71876734805377
2018	98.7015106145832
2019	262.28313620920835
2020	293.09953898344406
2021	131.79260847595268