Year	% of fertilizer production
1961	193.61702127659575
1962	175.1504424778761
1963	160.28277634961438
1964	141.39966273187184
1965	136.40649554740702
1966	142.70913277052955
1967	146.49646931015752
1968	200.5952380952381
1969	174.74849094567404
1970	167.24857685009488
1971	141.85771978875428
1972	132.63902932254803
1973	132.56120139888912
1974	124.65235859602058
1975	123.07526495419437
1976	115.92632719393283
1977	120.9228121276314
1978	120.24356490451149
1979	119.12580248599917
1980	121.00482924057825
1981	118.6384278108362
1982	122.61893187546275
1983	129.6256617529409
1984	131.86021597250064
1985	125.16570203333599
1986	121.19804383872163
1987	132.94755408667933
1988	142.46839431294552
1989	138.5053434282913
1990	142.36565313845753
1991	147.99876248122516
1992	140.707989290928
1993	126.08153882489732
1994	134.74726548360167
1995	140.35930675989187
1996	132.86672438108084
1997	132.90526791298237
1998	125.91369131290413
1999	123.6014027583882
2000	119.97387197548481
2001	118.12518736095186
2002	125.72983184645061
2003	112.27277685780604
2004	109.75432319525977
2005	114.50063443403316
2006	109.31975538556227
2007	100.60169477915102
2008	98.1899672140489
2009	95.59717713503471
2010	93.03171444810087
2011	93.50829242634425
2012	93.9837876273356
2013	92.69346861605376
2014	87.45308525635349
2015	84.76666321259304
2016	91.15126119914736
2017	100.44515052760082
2018	103.14659367384604
2019	82.51332978297759
2020	87.82104751252
2021	83.42040457941742