Year	% of fertilizer production
1961	289.6498455200824
1962	83.91347588264544
1963	107.04533042053524
1964	128.42465753424656
1965	128.84821110186616
1966	176.0947845278197
1967	192.19219219219218
1968	271.20006026668005
1969	298.6827560795873
1970	178.6226596315284
1971	537.3864759305444
1972	197.44768513498863
1973	140.3338473400154
1974	277.70584186526713
1975	140.39013008681144
1976	164.19472370285405
1977	272.0467602936483
1978	217.8614459673523
1979	202.83068190305477
1980	215.4450694904037
1981	181.47785217848912
1982	172.32543456901737
1983	146.1550874626159
1984	158.12919955639637
1985	125.00421935075174
1986	137.26990177132222
1987	109.16657257359755
1988	106.11733931751371
1989	121.8000421687637
1990	131.4571746384872
1991	125.6128064032016
1992	103.46980997007051
1993	90.48987521053438
1994	109.30678527530677
1995	114.72293690718483
1996	121.21452417001012
1997	122.26698780306329
1998	111.34893455098936
1999	123.97421931735657
2000	114.77188162882082
2001	123.73864722753348
2002	129.20544129839584
2003	130.44109617226016
2004	140.64291207901553
2005	164.73020044899903
2006	172.07081142423107
2007	156.54910470877783
2008	207.78097215567266
2009	238.08166235446313
2010	306.31798545212865
2011	415.4171602640041
2012	407.8399346672111
2013	384.24735621338993
2014	469.3656569199071
2015	476.949740034662
2016	392.3759298711277
2017	460.55203690671675
2018	572.9675925925926
2019	544.2114819297942
2020	554.9239149230503
2021	673.5128825868926