Year	% of fertilizer production
1961	337.44959096670124
1962	140.28727456289295
1963	168.9832913710231
1964	214.01954736476847
1965	196.21886695057427
1966	247.06281215889922
1967	314.0213955574201
1968	364.66206341157874
1969	234.26573709041557
1970	201.3364594142785
1971	197.4920800037827
1972	161.74991876150878
1973	145.13493903999927
1974	160.3047761227075
1975	176.63003583919857
1976	193.40556872626087
1977	234.88600236170407
1978	224.65550370573703
1979	233.8298022368464
1980	217.30349648406013
1981	183.657195663098
1982	163.00253045037144
1983	146.35591039141903
1984	147.5754533047849
1985	151.03274283892708
1986	161.09894348069784
1987	147.83633195755098
1988	140.19642476026465
1989	147.57633344538883
1990	150.50680254063533
1991	160.60508078446549
1992	121.28695807676624
1993	114.93920297183527
1994	126.55419939616297
1995	126.63770528863104
1996	122.33285882639075
1997	145.41669510168708
1998	132.19164525100732
1999	131.51167020117904
2000	130.39130330980197
2001	131.1263943175844
2002	142.1898782869806
2003	142.03654134771878
2004	141.50591642086195
2005	147.74182645593655
2006	149.058385349935
2007	140.7416837390136
2008	142.09487689337752
2009	160.30264269416855
2010	159.58088565178403
2011	164.9508144011849
2012	166.91522880977917
2013	194.29322856916883
2014	198.3376970846562
2015	192.28845587244095
2016	184.13602733829407
2017	215.63842917484283
2018	216.1838896196928
2019	221.25914772679354
2020	228.92734297341062
2021	213.66996736469056