Year	annual % growth
1961	7.970756913441264
1962	2.0130815280509324
1963	7.237236111906384
1964	-2.4537608379548033
1965	-6.289553189116475
1966	4.698008161885042
1967	9.614938419641717
1968	5.848225380454579
1969	7.734844758289498
1970	6.679022937049581
1971	8.902127090984365
1972	8.53455864684058
1973	12.274875653009218
1974	0.18179309586872705
1975	15.157874692828727
1976	7.70053326105085
1977	-5.483935557303013
1978	5.46796416191637
1979	8.162878647113118
1980	-44.466443649621425
1981	0.8670144653020628
1982	9.992321375572956
1983	-3.7580726613030464
1984	-6.5206652891768755
1985	22.465559931533235
1986	15.009494827398768
1987	17.327854278146603
1988	6.710076136053303
1989	18.89408068024936
1990	19.305639288452653
1991	-6.2544940836275345
1992	-5.1197967766549795
1993	8.351331669973376
1994	6.53673916987492
1995	22.31413976203899
1996	-1.8257395546497577
1997	1.2464328653600347
1998	3.221766727708328
1999	1.6882063199276303
2000	-0.15126703732624946
2001	2.615923113774528
2002	3.8163235938241797
2003	1.596562571373454
2004	3.8760372099188203
2005	2.010942136047305
2006	3.5607988857398425
2007	4.069146669685537
2008	2.0450400326879503
2009	2.945167888787779
2010	3.9206645728569356
2011	2.2042963149336856
2012	2.277005461731463
2013	1.5101212523238132
2014	0.8130848176420358
2015	-1.4365681934823726
2016	0.21100106434938937
2017	-0.6706870783552858
2018	0.7868904174034697
2019	-0.48619288986793663
2020	-3.688982820035619
2021	4.172616735780139
2022	2.139180851462939
2023	1.6703394683844834