Year	% of fertilizer production
1967	623.5377358490566
1968	111.01168736303872
1969	54.25584868093579
1970	121.29977781575799
1971	119.52299939010689
1972	112.04793080955717
1973	130.4915041061432
1974	166.79133103183736
1975	390.4761904761905
1976	416.8694581280788
1977	474.79076309928496
1978	303.6345695255324
1979	409.53275109170306
1980	544.9277926443594
1981	607.875236294896
1982	850.9433962264151
1983	1178.358208955224
1984	652.7054108216433
1985	441.875
1986	398.82659713168186
1987	151.34393856280855
1988	103.04109589041096
1989	114.70087853855809
1990	119.31722465216818
1991	128.07495646045697
1992	119.24767907885115
1993	141.84397163120568
1994	157.25741670470106
1995	107.76663452266152
1996	118.93380358111774
1997	154.03866565579986
1998	127.07708665603403
1999	177.27920227920228
2000	138.2116781327252
2001	51.64075993091537
2002	872.676506849315
2003	730.9202420616033
2004	767.8478466591208
2005	1115.06306166029
2006	4661.143294549908
2007	997.3618376045888
2008	2304.8575770733823
2009	520.7319629984686
2010	1753.283751654944
2011	594.4634850360262
2012	312.38411300432983
2013	175.8372775917929
2014	174.20912491012325
2015	231.00204193196498
2016	165.20760899578642
2017	212.78245199833506
2018	203.2473722242733
2019	238.41897415823146
2020	242.6214191627725
2021	220.64511335832557