Year	annual %
1971	3.4899242772038264
1972	5.1805161569669735
1973	5.876987901329997
1974	-0.041801142761727306
1975	-0.08664735401863766
1976	4.82662339225584
1977	3.7296549870570885
1978	4.544623663632279
1979	2.697366933888091
1980	-0.41269589694405795
1981	1.674959680572698
1982	0.029789098861641605
1983	2.9263076988345915
1984	5.902392551707507
1985	3.4419107116665515
1986	3.397586224085501
1987	3.7471117488840235
1988	5.031047272827152
1989	3.122577597272169
1990	2.3770121224212772
1991	0.9548290593897519
1992	2.4491395598714547
1993	1.4452806197786288
1994	3.627378003343537
1995	3.1733972426594192
1996	3.2547743379798106
1997	3.5505363471384896
1998	3.236709415492726
1999	3.4719401920554276
2000	3.9409152471098423
2001	1.761762577439157
2002	1.4389350974166888
2003	1.9619836806985802
2004	3.270414209834712
2005	2.6434355933707963
2006	3.0172165943159968
2007	1.8569380528939092
2008	-1.0016399831423968
2009	-2.2566555156609382
2010	3.208654314674206
2011	1.5424304071406425
2012	1.5286484652334025
2013	1.364817296901606
2014	2.377411509421364
2015	2.691843003599942
2016	1.6690407611887395
2017	2.6295202095208765
2018	2.1399274300522393
2019	1.9828447932839026
2020	-4.198768718842246
2021	5.8367215408329685
2022	1.7434208204204964