Year	% of gross capital formation
1981	1.14203078063883
1982	1.43795780301904
1983	1.97365683007305
1984	3.27064849487619
1985	3.69641238938485
1986	4.50915409459197
1987	5.14655784847676
1988	7.70405021754116
1989	8.88530399490687
1990	7.92087623768119
1991	8.90809637802581
1992	10.2325403678061
1993	12.2890065913714
1994	13.7460338520434
1995	9.39561317046452
1996	9.09787197777128
1997	8.20051957635812
1998	7.60466583992376
1999	7.0585783904547
2000	6.63043645281449
2001	9.26038046221276
2002	9.86871538136094
2003	7.35995025788185
2004	7.35521154530733
2005	14.520201100593
2006	15.8053626580159
2007	8.48436564769501
2008	5.52712954431341
2009	7.50537836211758
2010	8.99011156940931
2011	7.99455323512365
2012	6.91072797158455
2013	7.16593723232766
2014	6.77309912884238
2015	6.88911082372625
2016	6.8366627325918
2017	7.81407985942204