Year	% of fertilizer production
1961	201.12797289535243
1962	200.3898652034689
1963	172.47370358524384
1964	188.29487836181247
1965	159.8358738182502
1966	127.56143848060671
1967	156.15996078315365
1968	156.20490377601973
1969	144.1673574937207
1970	125.8913117829345
1971	130.53473314932805
1972	110.44623704115124
1973	127.22530606379061
1974	126.44100315783626
1975	140.71614317417527
1976	124.45162432504205
1977	133.2341299999392
1978	114.69222766693889
1979	110.0170034793117
1980	114.94499294781382
1981	109.09190400624287
1982	110.08500571089705
1983	94.37032216075497
1984	89.16522663350372
1985	94.89415572054064
1986	95.39329211167322
1987	101.93786635404456
1988	99.048652995577
1989	111.8135861664967
1990	100.62514207774494
1991	109.68942089938531
1992	98.3019943019943
1993	92.34281842818429
1994	97.28904109589041
1995	92.3550135501355
1996	93.15476190476191
1997	94.29429429429429
1998	95.6656346749226
1999	96.57320872274143
2000	88.20058997050147
2001	83.42696629213484
2002	72.35077701357334
2003	96.60564594090738
2004	82.91223506382495
2005	69.31902378517047
2006	73.23666053953646
2007	58.276783680323874
2008	54.06000125113602
2009	48.847762544714385
2010	53.61446941456896
2011	48.32956135245728
2012	42.617236455396025
2013	34.632590334571375
2014	56.983154550121206
2015	45.25083905228915
2016	48.21816925138447
2017	63.076762344989
2018	58.237918982855255
2019	62.07121442182172
2020	63.765968980757904
2021	56.63946276039573