Year	% of fertilizer production
1969	200.20244014054464
1970	188.95949248536974
1971	158.74739802087558
1972	154.99069601014628
1973	152.72340972228403
1974	146.0699616396873
1975	138.44155367879353
1976	134.5003431348438
1977	134.14241524888823
1978	129.52340675386083
1979	123.42108152992606
1980	124.85767551917905
1981	124.51660346242463
1982	130.35721237667406
1983	134.61613697486462
1984	136.30802267818618
1985	126.47960123510605
1987	130.71309014606743
1988	141.18713118042834
1989	135.23718407264664
1990	138.881164806852
1991	144.21943746269787
1992	139.3080761070267
1993	125.23764901812095
1994	135.25686996045377
1995	139.3216102958175
1996	133.66880036330383
1997	137.92093552793182
1998	134.72110046395818
2002	134.89632648966264
2003	124.49739924581668
2004	123.16016158246904
2005	122.85813769401189
2006	119.05631311905833
2007	112.76423708573967
2008	108.5958714488714
2009	105.1441953944825
2010	103.91677705070636
2011	104.26130165681029
2012	104.81267777652302
2013	105.1565613130936
2014	99.91135692890626
2015	96.76324786935072
2016	104.06856275876471
2017	115.64209436645149
2018	117.4476405929311
2019	95.35657722742313
2020	102.89606455517998
2021	100.89674730063672