Year	% of fertilizer production
1961	100
1962	101.3445858961522
1963	101.14446340728843
1964	100.05970149253731
1965	99.64269662921349
1966	103.05492397711231
1967	106.82269861286255
1968	138.8349144300901
1969	126.27256520760857
1970	121.46949307769957
1971	124.06740619506577
1972	117.5619391827908
1973	126.11819019626654
1974	127.58392813222795
1975	130.60419857130628
1976	123.6021923002752
1977	121.68718189365772
1978	126.62762995877723
1979	126.40430908365474
1980	124.88022816734409
1981	119.47893486036106
1982	109.03508888534411
1983	105.239555186032
1984	104.72005895592248
1985	111.32433834573318
1986	105.17943812661636
1987	114.34807611877875
1988	118.54551191367065
1989	114.85743584484835
1990	118.45926766736231
1991	131.83251651876716
1992	129.2143332930989
1993	131.32326420198376
1994	166.85324395499163
1995	273.45988372093024
1996	184.1416935607807
1997	234.62829736211032
1998	183.58349157609794
1999	240.14826723829938
2000	264.081524933722
2001	213.2138319792456
2002	219.89049727400942
2003	248.58649233068485
2004	259.22454591121806
2005	237.00211694112312
2006	276.4980251443049
2007	271.79933917785394
2008	264.7977138058135
2009	268.0831440238099
2010	178.31556079288484
2011	262.47546053674023
2012	344.9768080816523
2013	233.90128222260682
2014	263.6014574955879
2015	356.8701191998047
2016	476.621692657096
2017	2013.8777622688588
2018	2011.8746248008201
2019	4196.647554411421
2020	12316.271166259321
2021	11759.339788180736