Year	annual %
1970	4.12417856333567
1971	9.13819368879199
1972	21.9785040579069
1973	11.0853182063401
1974	14.4984695078882
1975	13.0648809829824
1976	11.4324364264689
1977	7.00630444983929
1978	6.108071005015
1979	7.80675824952114
1980	14.4928744064522
1981	11.1806667637621
1982	7.03155689389481
1983	6.70418399801423
1984	5.29121761072427
1985	4.42097239621915
1986	1.79884248433802
1987	5.66377475855222
1988	11.7583268783888
1989	6.18935403382355
1990	8.19137132040974
1991	6.49734555984545
1992	4.88302271568611
1993	5.20658925195765
1994	0.816666666667029
1995	2.16564721441535
1996	3.05016181229799
1997	3.36814006437941
1998	5.7116816041312
1999	1.96867366000919
2000	1.09216459977388
2001	4.27267024465105
2002	0.762032085561193
2003	4.17274777763036
2004	2.827485193912
2005	2.36576453830435
2006	2.49083638787079
2007	4.80370641306989
2008	7.73227857918417
2009	3.13103559015965
2010	3.68901229670766
2011	7.27811782708494
2012	3.4233752340198
2013	2.91354193604001
2014	0.519306474579194
2015	1.37488542621438
2016	3.86322538221269
2017	3.3475783475784
2018	4.08147637644526
2019	1.77310182460282
2020	-2.5952432588738
2021	0.155855722131516
2022	4.52019266394958