Year	annual %
1961	-0.10361851475234118
1962	1.496603352414482
1963	1.8926869625880585
1964	6.122013055313587
1965	5.099247782961982
1966	3.4950837765904907
1967	1.2238033026854538
1968	4.294826327411712
1969	5.574682896781397
1970	5.625614977159628
1971	3.967784119305847
1972	5.169744574793839
1973	5.312868622848981
1974	4.084335878468281
1975	2.4878717897968556
1976	4.606194830940737
1977	2.5080394351052178
1978	2.006796696484898
1979	3.7673464455029375
1980	2.90360799817104
1981	0.13157107812678248
1982	1.2194669835289034
1983	-0.3292483650819378
1984	3.6175236884029403
1985	2.9360816703095907
1986	1.8873719921663508
1987	3.0890125649802656
1988	1.570716241030084
1989	1.2605724100119602
1990	1.030924800737452
1991	1.4732173557300285
1992	3.0425762962086367
1993	4.493666008657883
1994	4.184565896498825
1995	3.137067106937593
1996	4.92139613128775
1997	4.826854350805803
1998	1.7982369074860856
1999	2.1155504818272846
2000	4.891818900744255
2001	2.4226498636352716
2002	3.8404990572387163
2003	4.9545491871470375
2004	6.930668921696821
2005	6.585181780383408
2006	7.725944071569614
2007	8.584923728202966
2008	5.419827081386018
2009	2.633307105940162
2010	7.672447046889118
2011	6.061752363818499
2012	4.807870689955806
2013	4.670682623739864
2014	4.005300159071751
2015	3.641364599497507
2016	3.7247447748730593
2017	4.5097944571696615
2018	4.122074595873087
2019	3.3927907709208966
2020	-1.1363418287347997
2021	7.278995313117235
2022	3.2165545409491614
2023	4.073804765456515