Year	% of output
2000	18.932038834951456
2001	21.11111111111111
2002	16.230366492146597
2003	26.804123711340207
2004	28.780487804878046
2005	29.257641921397383
2006	36.69724770642202
2007	43.75
2008	39.473684210526315
2009	44.74708171206226
2010	38.907849829351534
2011	40.35087719298245
2012	39.59899749373433
2013	33.63431151241535
2014	41.760722347629795