Year % of gross capital formation 2004 45.7166730941319 2005 80.9602061898931 2006 43.169988344445 2007 40.8807653215052 2008 34.1774467294332 2009 32.5443899761309 2010 25.4286232371929 2011 22.9642755522419 2012 21.0221558050249 2013 16.5251287536635 2014 14.9287995194423 2015 17.2746569908504 2016 20.3889503361164 2017 22.6353733586316