Year	% of fertilizer production
1961	1850
1962	1042.2535211267605
1963	972.7732793522267
1964	557.6829268292682
1965	506.92857142857144
1966	690.965013456363
1967	629.4747274529237
1968	140.1605195441735
1969	103.8463587448724
1970	225.448988295503
1971	220.8571918395337
1972	144.696261006259
1973	167.97974343037058
1974	188.23405680808963
1975	294.5714060560689
1976	304.1160954343825
1977	177.36196498746563
1978	123.92605779011905
1979	88.85560865067245
1980	111.1091136372188
1981	401.394581318597
1982	553.4973768419785
1983	198.61322901001517
1984	182.2512170826494
1985	130.42426667511845
1986	125.7531610674787
1987	107.73899482782498
1988	65.69987462374768
1989	61.861359536329786
1990	90.38760654513781
1991	138.35775271424055
1992	122.60924889948643
1993	137.12845010615712
1994	147.73044456949916
1995	117.90681555641125
1996	121.52681327160494
1997	133.43571581884524
1998	127.98462720983859
1999	142.28776136492795
2000	124.2515210459927
2001	93.05630752571739
2002	156.50919148193108
2003	483.68773790304664
2004	346.8048278199213
2005	369.6876286404408
2006	352.9693905970016
2007	373.53059598944463
2008	318.4685617911117
2009	338.9036957085247
2010	605.4083617123124
2011	445.9375911401646
2012	319.10793906237365
2013	297.75210200752724
2014	358.5206455024304
2015	409.17774298962746
2016	302.90401534443106
2017	352.12101231424737
2018	331.2474959306251
2019	355.67053335329894
2020	404.36820629969594
2021	364.98518255667807