Year	% of fertilizer production
1961	405.72192513368987
1962	335.59833140674476
1963	239.91567473069904
1964	268.61310782241014
1965	227.1545130035696
1966	208.19677419354838
1967	203.99319727891157
1968	216.1372383469117
1969	180.44805818581034
1970	182.51035282936192
1971	186.66613671706156
1972	153.80799755799757
1973	154.42077160655396
1974	118.9517333683871
1975	149.8916541341225
1976	173.48219677407897
1977	140.50321971516095
1978	138.65845205716826
1979	106.8632001353736
1980	116.00104826601238
1981	178.35826200167605
1982	161.82502006071522
1983	121.82575833921193
1984	106.94030409707138
1985	104.31611233779962
1986	110.0660230705653
1987	107.13432131742472
1988	91.77408592203953
1989	80.01375575735761
1990	100.79370541536619
1991	125.60319590235174
1992	90.14221197949867
1993	75.5970163235673
1994	71.75664251207729
1995	64.70432624657815
1996	51.28384257126772
1997	55.259151455352736
1998	56.81826664377507
1999	54.89634836168608
2000	52.6062018917551
2001	51.3680268282645
2002	56.24063174801381
2003	53.040688447328726
2004	53.13744537615909
2005	51.87958273378397
2006	53.4967978528723
2007	51.54044585762056
2008	56.733193119554784
2009	69.9355815258257
2010	73.43896631282652
2011	73.57332474707141
2012	76.43276873179029
2013	107.93597545908439
2014	138.37247571847251
2015	145.81386928957554
2016	152.70547845685954
2017	199.5654555854797
2018	222.13412837300174
2019	233.3800889504838
2020	269.2237596027088
2021	258.47201892213127