Year	annual % growth
1971	7.297435402817015
1972	2.065675495835535
1973	-1.947499933267622
1974	-2.7163834769468593
1975	12.760207743283786
1976	11.085473514545512
1977	-0.04794286790360047
1978	2.4060781090349934
1979	4.402466671146897
1980	3.1700916852024363
1981	2.304517863811313
1982	1.5584042386410886
1983	6.0891400842798475
1984	9.375408948658688
1985	1.659051879466844
1986	4.594372347485248
1987	7.308131377525399
1988	2.125410703764004
1989	-1.9775495741156845
1990	9.311955475733342
1991	9.23597749342781
1992	4.585363985741338
1993	7.146131906252279
1994	8.496557656053639
1995	3.7775353453633187
1996	4.201386757367942
1997	3.411897925578188
1998	3.415995468089392
1999	8.303818376872869
2000	6.058622780795105
2001	3.2868159175562823
2002	7.532063729418127
2003	2.6816942499986283
2004	3.172441649944517
2005	-0.4425998808634972
2006	3.4687834057461657
2007	3.92349108797751
2008	-2.685550256408419
2009	4.0360742974973505
2010	2.820963673998108
2011	2.294144575555208
2012	3.041346531354307
2013	0.1355154793872657
2014	4.650778872770459
2015	6.241917265539314
2016	1.555635243031233
2017	3.551799759692912
2018	2.832905473749989
2019	-0.24844543500003624
2020	-17.631274912217023
2021	1.3932751212947068
2022	5.985863034503282