Year	annual % growth
1967	8.508749430753056
1968	4.895730168114042
1969	12.541171258228133
1970	2.9617270748122593
1971	0.7857185576884547
1972	9.76735985650943
1973	5.333582266550721
1974	-7.162603744789493
1975	-9.597097673602306
1976	16.68211556570482
1977	-0.5928388470135104
1978	2.0532263435196114
1979	0.592828921099283
1980	-9.301334058326091
1981	-16.744964718552623
1982	8.298585323381019
1983	4.40695919037168
1984	10.348692957406058
1985	13.872600682719977
1986	18.260907627204688
1987	3.1343476057512163
1988	-5.679767218771545
1989	2.0708841548420196
1990	-0.2424354473806858
1991	-2.3254428262289935
1992	-0.5132903088031782
1993	-2.643269193751678
1994	6.8602203600483875
1995	10.565556479629961
1996	5.317902577484261
1997	10.207654056677455
1998	6.645921389067652
1999	-0.2611830510522566
2000	8.166294740599511
2001	-0.46695904278813316
2002	-2.2933093424812085
2003	1.6383058476039878
2004	3.5170247149080893
2005	5.94263795381957
2006	13.668674672530528
2007	0.6904678428542894
2008	-2.4965928629540173
2009	-12.967413910845565
2010	-5.746745282068829
2011	0.388452503346187
2012	3.7333028637331864
2013	2.7327658897541482
2014	3.11121265754619
2015	5.518389027828846
2016	7.905880927658913
2017	4.011373954514525
2018	4.166443934809848
2019	-1.3379469397735306
2020	4.34222161240092
2021	6.56519162590898
2022	3.2393396091117097
2023	-4.959594215298992