Year	annual %
1961	7.604670479244049
1962	2.981945536103339
1963	3.2850996357032756
1964	5.23868659789332
1965	5.3028578022828725
1966	2.3728230152818526
1967	2.168828882873953
1968	2.3032899835567093
1969	9.593287784800268
1970	7.470432644457944
1971	2.356921357599532
1972	7.735485501950379
1973	6.9838278447512465
1974	3.236533040285309
1975	1.8048982772672417
1976	0.3443824854749238
1977	0.23951082931115764
1978	2.9197074119354056
1979	7.121926371491227
1980	5.389047880227778
1981	1.3158788537491972
1982	3.108088693070272
1983	3.1165815141662705
1984	3.2376919958560393
1985	3.54889658723026
1986	2.7556334586149376
1987	3.574826138302072
1988	5.217150322657261
1989	5.087143674181988
1990	0.6702758442897618
1991	-5.886328069426668
1992	-3.2946600657571423
1993	-0.6619980304190847
1994	3.963052423701214
1995	4.216867469879531
1996	3.6671798297847715
1997	6.333795654183987
1998	5.457180500658751
1999	4.379575722745571
2000	5.773362458481699
2001	2.610019123920736
2002	1.70714896198065
2003	2.0037842028506105
2004	3.9920912903208716
2005	2.779850555561225
2006	4.027409658025732
2007	5.299336507390208
2008	0.7839950608765207
2009	-8.074447432311302
2010	3.1859586540770266
2011	2.5476648384262717
2012	-1.3975457281778176
2013	-0.9016963161948439
2014	-0.36490815688206624
2015	0.5436592117654868
2016	2.8114577666343337
2017	3.192409629684164
2018	1.139718013430496
2019	1.2247489220622327
2020	-2.354965156794421
2021	2.8381796041803398
2022	1.3354673051232595
2023	-1.035375692854231