Year	annual %
1961	0.2816605162192192
1962	0.47353300030791745
1963	0.49998143174136006
1964	0.5267744331046695
1965	0.5097855687645523
1966	0.5584197858565749
1967	0.6070837328710573
1968	0.3787157677750355
1969	0.20458227185259711
1970	0.20539810856330912
1971	0.3223905469483091
1972	0.5523808972190728
1973	0.5252120719912563
1974	0.14134052480050988
1975	-0.29414905262000474
1976	-0.20552007357519061
1977	0.009498366116506911
1978	-0.10980122960763525
1979	-0.19937754655846388
1980	-0.0287774301215409
1981	0.33299733251550406
1982	0.8310599671844098
1983	0.5919927820703983
1984	0.7473125321673756
1985	0.7921091910058458
1986	0.8115639771348391
1987	0.805722937602648
1988	0.8813062110723725
1989	1.1848016978802973
1990	1.4963307358524451
1991	1.7273702324161038
1992	1.8269399905386854
1993	1.548368933495239
1994	1.1060792986654249
1995	0.8691345110386824
1996	0.8511217167253187
1997	0.8217436687141408
1998	0.8183054497100338
1999	0.89812491175979
2000	0.9416563717260218
2001	1.0815753443079736
2002	1.185935427302
2003	1.1787342380230046
2004	1.3097147357180061
2005	1.3658737336145865
2006	1.174731549264576
2007	1.0042901824865922
2008	0.9885867763989796
2009	0.9329509419431888
2010	0.9092845404298244
2011	1.0015094217774088
2012	0.3812930515943309
2013	0.14737906964197736
2014	0.3351911735265327
2015	0.6750207934950774
2016	0.6310485715911792
2017	0.24463621495456156
2018	0.001464710645074403
2019	-0.07942369264973928
2020	-0.14805319578936355
2021	-0.16488206915788778
2022	0.3177399249797925
2023	0.3214957144451033