Year	% of output
1990	7.786429263171903
1991	7.85713416398059
1992	8.338836828796667
1993	9.177860881320745
1994	9.766585398471335
1995	9.717400870287978
1996	9.981020272617902
1997	10.128616591492293
1998	11.284585004157645
1999	11.37615677349065
2000	11.59665840623959
2001	11.861698598837556
2002	12.09654204598611
2003	12.085706661066926
2004	12.107795957651588
2005	11.83682223476832
2006	10.825313297077571
2007	10.346862390825331
2008	10.519716765004127
2009	10.786580407961255
2010	10.127533982681475
2011	9.971690435241753
2012	9.975283195846304
2013	10.116784497569471
2014	10.031411996050203