Year % of fertilizer production 1974 177.32907883036043 1975 246.27047515906324 1976 168.8203640804488 1977 143.87752394597894 1978 111.11594202898551 1979 102.97929606625257 1980 104.5521472392638 1981 94.63975155279502 1982 109.28157349896482 1983 117.14285714285715 1984 148.89253486464315 1985 132.17753623188406 1986 119.92869875222816 1987 139.36507936507937 1988 100.96014492753622 1989 100.72463768115942 1990 77.39130434782608 1991 99.59016393442623 1992 109.04761904761904 1993 100 1996 100 1997 100 1998 140 1999 100 2000 100 2001 100 2002 104.75155889638677 2003 166.82253486363078 2004 170.46649193133928 2005 190.48295054698997 2006 141.01564980721253 2007 96.49024921934839 2008 94.17926128948055 2009 108.1295751874173 2010 115.24588254866079 2011 155.9587822994037 2012 114.08887657058386 2013 220.576394127546 2014 495.0859184057154 2015 648.3968164441937 2016 662.6173466190387 2017 986.8021557936956 2018 847.5482233502538 2019 535.5256627185561 2020 427.5601930187379 2021 255.25437112239143