Year	annual %
1961	6.507996898230049
1962	6.308610280928974
1963	6.142248823855433
1964	6.050232009794315
1965	5.985027605024486
1966	5.922905261496482
1967	5.81796112576148
1968	5.727772572449583
1969	5.614380878134603
1970	5.507058980568311
1971	5.219546610479925
1972	5.9776384259073625
1973	4.996668150942079
1974	5.207078338099313
1975	5.603969446394166
1976	5.230437537382018
1977	5.203856235970241
1978	0.8209501699009678
1979	0.8271882378044055
1980	0.8812613318009161
1981	1.1904902506318458
1982	0.5553641486945659
1983	-0.15115732684432429
1984	0.5625319276126606
1985	0.7804004020613452
1986	0.5921488059462982
1987	4.2157691366190155
1988	0.3431752968570412
1989	0.6036087520642216
1990	0.529930534114801
1991	1.406289032492176
1992	0.5713398927039414
1993	2.2308704580567453
1994	2.848346225953762
1995	1.6890561546916105
1996	1.7188752105946399
1997	1.4594225640351162
1998	2.2754460099751372
1999	2.3164545112499666
2000	1.281485444853735
2001	0.509490028647897
2002	3.509635059547711
2003	-0.6477087944759814
2004	0.14639562483301316
2005	1.0118050987989675
2006	2.657481315156148
2007	1.1173300598125255
2008	2.871116683129101
2009	1.0565775060513327
2010	3.483103026191741
2011	-1.9124912134831935
2012	1.7243444035126454
2013	2.6125705025287376
2014	2.345132353032688
2015	3.010828269870756
2016	2.112626725647912
2017	1.9910566803423866
2018	1.7154782365162755
2019	1.6399293545311635
2020	1.5993509567052886
2021	1.542897256644196
2023	0.6350855070778284