Year	% of fertilizer production
1992	35.05289343417846
1993	30.409640503053097
1994	18.3517417162277
1995	16.02279341931926
1996	23.855577047066408
1997	22.7750992248475
1998	23.007088670563363
1999	18.850388446689863
2000	19.9588426350631
2001	17.35397543042426
2002	16.85772232459537
2003	15.110892907123327
2004	14.843112074874403
2005	16.291326928052424
2006	23.68635731434935
2007	20.085813475445754
2008	21.945453750241096
2009	46.66628738767603
2010	24.237459098275853
2011	26.670163005141013
2012	25.910636474700805
2013	26.995844520119544
2014	16.538960147097065
2015	14.684449660964663
2016	11.578135404904979
2017	10.000566354289179
2018	10.586400331024885
2019	10.277938239402197
2020	11.709120520762495
2021	10.90329303203839