Year	annual %
1962	1.348942440143034
1963	0.07541945343632506
1964	1.4321900695746308
1965	0.1105147998670617
1966	2.5654564197904506
1967	3.943518098194218
1968	3.337927283205545
1969	5.295770170665378
1970	1.5870748324063442
1971	-0.8216149886124953
1972	-2.4139675417594475
1973	4.982216051424345
1974	1.922354306998713
1975	4.226328341828008
1976	1.4980003243088476
1977	3.253175260012654
1978	3.7792067597969776
1979	4.478696292711078
1980	3.981366772940433
1981	3.924251369800686
1982	2.523698227204747
1983	3.3434435893248633
1984	3.681266792820992
1985	3.565508165543136
1986	2.9124431743119885
1987	0.3169192365320157
1988	1.0883778677714986
1989	0.9937259256370936
1990	5.0794712194041125
1991	3.3237501142683072
1992	3.168708689094487
1993	5.693744134394564
1994	4.5086512902514215
1995	4.537642717951712
1996	2.9788925968379942
1997	5.675135580000031
1998	4.068482654325024
1999	3.688197516202507
2000	5.401847091692517
2001	-2.2942349656134553
2002	2.928701394903598
2003	4.88393320951495
2004	4.4320157915820175
2005	5.2511722691603495
2006	6.601725540638455
2007	5.690761335475528
2008	4.8690084449284825
2009	2.5439162714145738
2010	7.043494487644381
2011	7.673493570170265
2012	7.8186009319532985
2013	3.487417146448152
2014	5.83855763062995
2015	3.731046584963991
2016	4.618234850705647
2017	6.058144821428073
2018	1.539633134301937
2019	-0.8291467142683757
2020	-5.129263120744511
2021	3.09279134925238
2022	-7.4511929889190895
2023	-1.659615130071387