Year	% of fertilizer production
1973	125.11918682721668
1974	114.69710371003289
1975	122.90983381317577
1976	125.09394605317082
1977	122.15935772449723
1978	121.00723468516924
1979	116.43507933237774
1980	117.96289340693728
1981	119.46817988908964
1982	124.33811753760145
1983	129.52157028855575
1984	130.35396689800862
1985	123.43307371887192
1986	119.51581974989274
1987	128.01421290844863
1988	136.75028133619796
1989	134.29099036412336
1990	137.1609501589572
1991	142.86856558947042
1992	139.10885069230494
1993	127.81284214271696
1994	136.72513363464924
1995	141.19943459457787
1996	136.19205795096352
1997	140.6167097906804
1998	138.02300521488144
1999	134.8396616685849
2000	132.6638469994401
2001	130.94483988543612
2002	136.54047698181316
2003	127.3071975678794
2004	126.24406607785676
2005	125.607621004936
2006	121.69161166863907
2007	114.83580700350343
2008	110.68538800508077
2009	106.62716805484737
2010	106.59043001955361
2011	107.1674610099323
2012	107.91599507996246
2013	108.00113295903324
2014	103.9223432500022
2015	100.4118311027958
2016	107.70229590733238
2017	119.14424436917814
2018	121.14165464222663
2019	99.53758709188584
2020	106.85912707926504
2021	104.68036056457524