Year	annual %
1961	3.6177960338061155
1962	2.876758745376918
1963	6.0211222020658965
1964	7.353430057595276
1965	-2.687197545946077
1966	-0.039947621322653504
1967	7.733010191776927
1968	3.4442420169478396
1969	6.535821440371322
1970	5.1683248721488155
1971	1.6651358840378947
1972	-0.5060177188213117
1973	3.3648321093446896
1974	1.2995285791932645
1975	9.238215774036405
1976	1.69265209629053
1977	7.320230447866123
1978	5.73479485974768
1979	-5.091188030424206
1980	6.775946601295146
1981	5.880560657301473
1982	3.1883693475957813
1983	7.274500395962264
1984	3.675220168344268
1985	5.2837404530221335
1986	4.741374151359025
1987	3.796302925559175
1988	9.388094899178867
1989	5.9346816069024015
1990	5.346009196448989
1991	1.01628724172906
1992	5.534677735063596
1993	4.905649627797274
1994	6.710301209057732
1995	7.57465478073884
1996	7.657348143269843
1997	4.2354227403219085
1998	6.1840216953595615
1999	8.828650114281473
2000	3.5662544676791583
2001	4.963596568090182
2002	3.923869302265473
2003	7.85169760704764
2004	7.9215262710418415
2005	7.900101683825241
2006	7.993496470191943
2007	8.04666398779537
2008	2.9105356952366463
2009	7.857535642086717
2010	7.960440818375261
2011	5.451763526028429
2012	5.1406806625024615
2013	6.308469330494432
2014	7.47967821154927
2015	7.993703622351063
2016	8.269541404189965
2017	6.865358175474341
2018	6.475875020849813
2019	3.9913830098106757
2020	-6.245605406236621
2021	9.885473467649277
2022	6.765704715768564
2023	7.60054735965015