Year	annual %
1961	3.6515589821277246
1962	4.0170940467163945
1963	5.2024825196013325
1964	7.8706377275237855
1965	4.513587319496466
1966	5.878817428872395
1967	4.800147756782195
1968	6.675111826855584
1969	8.664065130367234
1970	1.2660596631662884
1971	2.553854084504053
1972	4.671663203740678
1973	5.294421072706172
1974	-1.071611789518272
1975	1.6831691593486795
1976	2.456682002207657
1977	3.5659189371014293
1978	4.173718826989187
1979	4.27663802416582
1980	2.252500861644151
1981	3.1015448767150815
1982	2.4701160036104
1983	2.7757653896772467
1984	4.588454460613448
1985	4.12684816223971
1986	3.302438749877126
1987	4.562689562518358
1988	5.8865042142424215
1989	3.5405650830277295
1990	3.501981773387513
1991	3.3562580220040132
1992	2.858540829724916
1993	2.870341245334501
1994	3.9235205085494016
1995	4.398251995588922
1996	4.375763800226039
1997	2.8642234156629627
1998	-0.6448244037985091
1999	2.698850019197735
2000	4.410505001794476
2001	2.3802204204905593
2002	3.5037600420790795
2003	4.116189303267731
2004	5.065322946443061
2005	5.111391543319371
2006	5.6665237937718445
2007	6.6844933934133905
2008	3.6303406791727184
2009	1.8481873067067767
2010	6.87762134211556
2011	4.713861222895474
2012	4.349353259099104
2013	4.4306731273966875
2014	3.9789436756988152
2015	3.985556968662337
2016	3.9246640885178863
2017	4.312332258575992
2018	4.121542998074062
2019	3.4093328353333163
2020	-0.5703766698485992
2021	5.939695030505263
2022	2.669697239311475
2023	3.859381364515073