Year	annual %
1961	5.131059485406638
1962	4.832811729625448
1963	8.071784117127478
1964	11.441903450263794
1965	6.5202949796128
1966	5.687204834278674
1967	7.977863632961643
1968	9.327449228653833
1969	3.3228915448725758
1970	6.276887961553641
1971	3.713676304172566
1972	8.21470431737626
1973	8.164787790332355
1974	5.50811040530499
1975	5.288108445060317
1976	4.000361770372862
1977	3.2290180877624124
1978	8.817647063415151
1979	9.485203006272187
1980	8.382696725483711
1981	8.701112758499278
1982	-3.2638295405887305
1983	-3.558191811700169
1984	4.047795791042745
1985	2.8850190988343627
1986	-4.70417406084114
1987	3.030345349653089
1988	2.2712107457988537
1989	3.8584565408509235
1990	5.70453475829305
1991	4.560590243383729
1992	3.6613856882719915
1993	3.343998147015867
1994	4.243625830729698
1995	-7.122715988568942
1996	6.566918694081309
1997	8.07737375782429
1998	6.2442680183769
1999	3.0802078369951005
2000	5.048292710466029
2001	-0.1910868282732281
2002	0.30937842659717774
2003	1.309023649677556
2004	3.7980256514596533
2005	1.5452300924934264
2006	4.7380621272357075
2007	1.9796867697509128
2008	1.2149562282729676
2009	-6.463878399045726
2010	5.434252952027023
2011	3.0130687153599354
2012	2.9357301642512112
2013	0.04319123689859339
2014	3.0508449243061193
2015	2.5690844131853225
2016	1.6578201706116715
2017	1.937010151980843
2018	1.9069590510680143
2019	-0.5213527178502346
2020	-8.96883172058152
2021	6.4545010492931425
2022	4.279439442914665
2023	3.0027182479618375