Year	% of fertilizer production
1961	174.10119739242833
1962	161.62502272579923
1963	168.40988951141816
1964	160.6500262279723
1965	156.71679009258364
1966	163.7155953846201
1967	174.8607067418544
1968	200.78403730054447
1969	181.9948413901441
1970	176.88428982830226
1971	163.67023650181065
1972	161.3084158857106
1973	161.833203470695
1974	148.8209419492164
1975	151.94209844646724
1976	148.00054226819697
1977	150.20320709359248
1978	148.2143215211441
1979	144.34475174305445
1980	141.30229606470726
1981	135.6597364873773
1982	134.40643130103413
1983	131.9076163850768
1984	132.99701688215308
1985	126.20051992241133
1986	124.61849769799188
1987	124.01352574616367
1988	125.21432308019011
1989	124.46894574083468
1990	127.32434083756263
1991	129.94873746835574
1992	104.14478150495223
1993	101.92322876953223
1994	104.98168987355696
1995	103.13198705214057
1996	103.85197115939043
1997	107.85606639061211
1998	107.2272800018823
1999	104.81214159851463
2000	102.28855517366954
2001	101.43057314668528
2002	103.54308921127678
2003	101.36285520520593
2004	102.04960207389874
2005	101.20250753880629
2006	104.83887811214669
2007	104.03115314558809
2008	103.19557158665344
2009	109.52283763908932
2010	100.84025658920187
2011	103.02095327650073
2012	101.97705956409811
2013	104.1403432498961
2014	100.77028891393667
2015	96.93506355301831
2016	100.65169103701255
2017	104.7920353751058
2018	105.95985875611389
2019	97.4089605438757
2020	105.47847920446986
2021	102.3101268699244