Year	% of fertilizer production
1961	137.09844096858973
1962	129.26670444490838
1963	128.26086956521738
1964	145.1054852320675
1965	143.629191321499
1966	134.98422712933754
1967	101.54805418189636
1968	119.6129336794902
1969	97.02517162471396
1970	104.53608247422682
1971	110.62914500806596
1972	115.79910194578413
1973	114.94139012712563
1974	108.97930614729154
1975	111.59907567879839
1976	111.93721602643537
1977	106.27221542227663
1978	104.57593057775748
1979	110.03831242873432
1980	115.18809523809523
1981	128.8282131661442
1982	138.09872029250457
1983	110.87449494949495
1984	97.8915650406504
1985	101.34292649098475
1986	108.16922077922078
1987	103.21173913043478
1988	97.96445497630332
1989	101.14245161290323
1990	96.92432098765433
1991	98.50925063223745
1992	97.70666666666666
1993	109.35982883817428
1994	108.49682631275246
1995	96.69692385274836
1996	94.60986230434271
1997	90.23002134218639
1998	97.6303317535545
1999	97.33082706766916
2000	128.34604715672677
2001	147.91464597478176
2002	148.69781876219187
2003	126.35461590296495
2004	163.23798859934854
2005	150.69743837602707
2006	183.12870132898112
2007	152.4636129288122
2008	173.8366706875754
2009	180.18892009190708
2010	171.02258310073586
2011	186.5364850976362
2012	158.04106073567152
2013	235.73923166472645
2014	184.78462251042149
2015	238.45909955611918
2016	203.55555555555554
2017	237.99019607843138
2018	281.1667646293888
2019	332.27427149321267
2020	338.4331508078995
2021	375.7228845002992