Year	annual %
1965	6.136581278341907
1966	7.893324624496657
1967	0.1882177964611884
1968	5.371495601929581
1969	7.413972205671342
1970	11.935119924381993
1971	-0.8865573792946435
1972	14.659468530606532
1973	4.063545831484674
1974	-4.128103703252108
1975	-3.3233296266868706
1976	97.69615724323313
1977	-43.708759830058064
1978	4.389127141979387
1979	2.8238627987678484
1980	-0.9674145758019961
1981	-4.180424687492788
1982	-1.2412771459019183
1983	1.8619149202738612
1984	3.639289813415388
1985	3.490055163655171
1986	3.1850050029693193
1987	4.758112023292284
1988	3.0279231406254326
1989	0.15690363425117937
1990	1.1915792028832612
1991	-1.8624353632743578
1992	3.0727684211634596
1993	4.116090349975494
1994	4.039075749107226
1995	-12.638894524550494
1996	25.18853009875812
1997	4.8088059184305365
1998	3.820920360321594
1999	4.8750604781074856
2000	2.7625571202280526
2001	0.7768167929399539
2002	2.428412167794619
2003	3.655605474855932
2004	8.478030127723898
2005	2.868471985537397
2006	1.4484946177597777
2007	1.9447606140765572
2008	-0.5857178370868894
2009	-2.338007563454397
2010	1.962186325033926
2011	2.7020953581946827
2012	3.66038738364567
2013	2.8604995122192776
2014	-1.522077559735763
2015	0.5563620165541607
2016	0.8260402032356637
2017	4.21783254213662
2018	6.899232916252899
2019	4.4030663699677035
2020	-7.542449298269588
2021	22.906772160900445
2022	8.013007848192657
2023	-4.665207213920127