Year	% of gross capital formation
1967	51.09614103330311
1968	52.32940291986754
1969	33.793960638678094
1970	37.25085596776275
1971	39.64724096525862
1972	23.968307637556286
1973	20.520169618113947
1974	15.009512908205295
1975	10.795292524081225
1976	8.33107747593895
1977	5.422309613890809
1978	5.92400166465774
1979	6.658191108516361
1980	6.193155386209988
1981	5.273725704872874
1982	4.394454112535364
1983	3.0828581529212506
1984	3.142089233472585
1985	2.7331497725284355
1986	3.1675879105523816
1987	5.835029078802385
1988	6.3627809542401295
1989	6.101882912603145
1990	4.587342391098435
1991	4.820463168204471
1992	4.968343894524631
1993	4.198444485391226
1994	2.8775589180696084
1995	2.0350880727557326
1996	1.4723846010476167
1997	1.219755662732546
1998	4.834523290813243
1999	6.880109964548371
2000	4.48223025603352
2001	4.0321800670570545
2002	3.094628944545893
2003	2.8929806068701804
2004	0.15790081579158924
2005	3.471414444092865
2006	1.3282368776750426
2007	0.5400073995368728
2008	0.5154007698015897
2009	0.41014430708382377
2010	0.5331810848838197
2011	0.12158284118523527
2012	0.02143756263351101
2013	0.0225026430207404
2014	-0.1239159837070346
2015	-0.00970565875510795
2016	-0.03431774130510558
2017	0.08183809511683288
2018	0.2671768629335353
2019	-0.18341494610857936
2020	0.35325496254539146
2021	0.16773689486339846
2022	0.16889636928865587
