Year	% of gross capital formation
1960	21.225557682669525
1961	22.023750066757163
1962	18.466666539510083
1963	18.472223453703787
1964	10.34534814649071
1965	8.306097170201744
1966	7.048276046226776
1967	9.75799970626831
1968	6.755660457457583
1969	9.327930894391264
1970	20.916363915252738
1993	97.84492214761111
1994	89.11742679837268
1995	100.95947868285297
1996	74.48261556653402
1997	62.7781850942473
1998	83.50124148291998
1999	42.06683702598776
2000	53.95033890056467
2001	49.16828119838423
2002	47.486554242244004
2003	43.107210170323484
2004	42.775069197065385
2005	35.56682355925008
2006	29.080859586996993
2007	31.865072622688523
2008	30.05675072052623
2009	27.378828887267144
2010	34.88005430159537
2011	31.544268103538677
2012	31.045106228886155
2013	26.52516091230792
2014	21.75073283189988
2015	16.755017891452002
2016	16.027611385850374
2017	16.866144114705996
2018	13.596805315120818
2019	14.721759901931
2020	21.341025310759864
2021	21.4395166744214
2022	23.050997094409105
