Year	annual % growth
1961	21.997776870986257
1962	-9.035893884275481
1963	20.04884318072743
1964	-9.495041271214888
1965	-8.885320292581412
1966	16.939986082649327
1967	8.359771003599633
1968	21.87063960206163
1969	14.153165415290488
1970	22.16701859637837
1971	-6.2448338986152265
1972	13.272981100521577
1973	-29.930337740629938
1974	82.37263316149472
1975	-15.169149727134851
1976	25.274515617505827
1977	-5.01836718619964
1978	44.000103473903806
1979	34.07506526878973
1980	27.86202089071213
1981	-15.895558091243984
1982	4.851496315098586
1983	12.1855185023595
1984	2.411920976927547
1985	-4.454465734181696
1986	9.094080889386262
1987	-0.5009985058166677
1988	-6.172254334933584
1989	-6.92239074991457
1990	-2.7922550647766826
1991	8.624502752205032
1992	1.9087953527639598
1993	10.595574950092441
1994	9.314576694535816
1995	-0.8193290074491699
1996	3.898088237616065
1997	2.198645045006657
1998	15.162752862537985
1999	6.3402286047443255
2000	9.908015481507434
2001	-17.469488905021606
2002	12.146188417483316
2003	11.993229925804783
2004	8.754378527080945
2005	8.718460446349141
2006	13.976516845212132
2007	6.82508418743619
2008	2.986514533762687
2009	2.9577595712188725
2016	12.020517281850445
2017	18.34169188158836
2018	-5.440561431853723
2019	-11.927351602243746
2020	-0.6291769486507377
2021	6.391342442397402
2022	-37.92957621082621
2023	-7.91968697527922