Year	% of fertilizer production
1961	161.35373826525446
1962	144.48597592280208
1963	160.439729512127
1964	159.34420127134928
1965	155.59092073541325
1966	167.96876005794405
1967	165.40775152521385
1968	182.04671391281425
1969	160.44222467122358
1970	154.51847380265949
1971	156.88820372651097
1972	150.3529149916942
1973	161.3749915803506
1974	139.3415581738091
1975	147.49131869048895
1976	144.40325511943087
1977	151.61794156506514
1978	155.01325416567477
1979	151.6197375895028
1980	143.67114172922058
1981	133.68904725170916
1982	126.42295707120675
1983	121.87873750048048
1984	117.63062510502137
1985	113.22844205356185
1986	113.34262435815295
1987	106.50837008857967
1988	107.92443915531952
1989	110.2951157046807
1990	110.18563678880862
1991	107.1418767942215
1992	104.4332207832435
1993	103.43441259196298
1994	101.94321969342894
1995	97.89082692016642
1996	100.45408872638515
1997	103.78689166561007
1998	103.35787335275258
1999	105.9818109971534
2000	103.59572824259531
2001	104.67784894047949
2002	102.90858911643119
2003	106.85639205628812
2004	109.76274248489304
2005	113.47832481013255
2006	125.19690878692641
2007	125.39456289747493
2008	123.98452437502128
2009	132.5497212466595
2010	122.4828273204391
2011	122.50354800554118
2012	118.61143557160331
2013	120.29773509206342
2014	123.44579249260403
2015	120.80411827874306
2016	119.13206801590258
2017	119.37628286120359
2018	121.01906018946015
2019	121.91152574878224
2020	126.81221779880266
2021	124.36386321382392