Year	% of fertilizer production
1961	143.23169335015368
1962	148.32843915929902
1963	162.26015855386618
1964	163.26401779510738
1965	175.59758701531482
1966	195.76792763669144
1967	190.4713661489638
1968	218.69913596108393
1969	206.3754026966284
1970	209.48161773657313
1971	188.22362727266014
1972	203.7347426119152
1973	198.6113491926603
1974	192.98643386036142
1975	195.5484411713421
1976	199.53111836307824
1977	206.33262455951902
1978	213.5569428474278
1979	208.87099899713684
1980	197.47499251412316
1981	175.3194995686946
1982	166.62274252175519
1983	148.82244224130594
1984	152.6706762162029
1985	148.25252510302334
1986	162.60498966026705
1987	162.53878267514864
1988	157.16261369123134
1989	144.87342878487996
1990	153.95261164092096
1991	142.52061527471503
1992	156.01382279239112
1993	167.26180770654457
1994	169.1557971035507
1995	148.17937585019828
1996	166.05270441943168
1997	183.54368794110155
1998	189.60411795395086
1999	188.8971729815343
2000	208.59601215895725
2001	223.1827470958642
2002	236.8501007789239
2003	263.57412461189006
2004	270.93178917621816
2005	235.17460643795368
2006	250.2930522916808
2007	287.1260030174257
2008	254.5820607594486
2009	211.03179378667633
2010	229.76612516354044
2011	262.98929263741525
2012	254.4028239028179
2013	295.6554765236377
2014	315.4629633722397
2015	271.9426887921903
2016	308.06453105700024
2017	354.795230265882
2018	371.8437031328269
2019	426.3464017705195
2020	463.56080995556994
2021	496.78155547284166