Year	% of fertilizer production
1961	289.6498455200824
1962	90.01091041338344
1963	110.70815041038367
1964	126.10275038920602
1965	124.43216827791352
1966	170.15132117447058
1967	212.33849259757739
1968	233.10535221301987
1969	239.8794115282579
1970	171.07037019976354
1971	253.6122585221346
1972	166.89017010432997
1973	146.50078174969795
1974	204.53584156102121
1975	164.00844255520133
1976	168.28134462371048
1977	220.95319649018464
1978	188.27387112262943
1979	186.64964470022426
1980	201.0944003000775
1981	193.63508909380494
1982	211.856984589588
1983	168.75978201774538
1984	168.96170598943115
1985	140.54003600240017
1986	138.7090025962367
1987	116.76109357356206
1988	112.0516493278075
1989	124.78354098547578
1990	129.7850631755742
1991	128.39952177721491
1992	109.8525126242965
1993	99.52187805241462
1994	118.74149349583112
1995	124.66133735715981
1996	130.05534534511202
1997	133.6680230057798
1998	120.14769458371003
1999	132.53370433418368
2000	127.14578327030806
2001	124.94887958476423
2002	147.28839106044114
2003	153.04550301531404
2004	175.74150417018078
2005	183.8291548054412
2006	210.7479866128236
2007	197.39135479926068
2008	242.92966087619612
2009	292.86520676587264
2010	364.4191090818199
2011	479.1937250388814
2012	440.3056626461957
2013	377.0584126563803
2014	443.09147567946326
2015	505.60207901877305
2016	507.08919032296126
2017	814.1743487668915
2018	1043.3158900927644
2019	1038.2015914751594
2020	1083.904719271645
2021	1078.1601259507156