Year	% of fertilizer production
1992	56.69887934328079
1993	52.64579368146694
1994	39.81608967867847
1995	35.27408013452057
1996	35.737317226037746
1997	38.59232680074466
1998	39.11365838578066
1999	34.42862282121814
2000	34.28479788011444
2001	31.923169705067725
2002	30.27477340992436
2003	29.544622446073795
2004	26.92606308553178
2005	27.469330509811453
2006	31.924041859718002
2007	31.36533096053029
2008	32.19106035129353
2009	48.59766315518637
2010	35.03764506559708
2011	34.36046038956729
2012	36.49471138063013
2013	36.783579531035166
2014	32.34623601792339
2015	32.96644039070532
2016	35.61808134504496
2017	33.95386867479759
2018	32.34018469673416
2019	33.13403829474834
2020	34.64043299446448
2021	33.01811204231285