Year	% of fertilizer production
1993	49.53984575835476
1994	46.87931850449598
1995	48.9435593991807
1996	47.97737373737373
1997	35.823882588392266
1998	46.15331544653124
1999	37.41470588235294
2000	39.20544307998672
2001	51.73500881834215
2002	54.80823199251637
2003	50.68332576101772
2004	44.6373037150517
2005	44.84621545855026
2006	57.09932279909707
2007	63.12758334225239
2008	61.84499117913508
2009	59.01528495007716
2010	63.18752568132214
2011	48.715215931322454
2012	62.97389906510428
2013	44.78540527205666
2014	64.7452266457128
2015	40.490006105168156
2016	49.254367748132296
2017	48.43607130848452
2018	47.57484525145323
2019	56.04459184364933
2020	52.38137451570958
2021	52.63541611942202