Year	annual %
1961	7.86813924493059
1962	7.52120721100516
1963	7.22319755892096
1964	6.94151152967971
1965	6.65312152542815
1966	6.9970544751771
1967	7.92068128206391
1968	8.13267840840666
1969	7.71605298385739
1970	7.36974901413982
1971	7.10317449112568
1972	6.84236572061972
1973	6.61331451593296
1974	6.39157100867638
1975	6.10520829188952
1976	5.81187179966463
1977	5.49579715347987
1978	5.11737357204549
1979	4.70138738071922
1980	4.21262809362715
1981	3.79119206596927
1982	4.26339621023928
1983	4.64210889889203
1984	4.23483320422066
1985	3.78693930383991
1986	4.01780839056776
1987	4.35504255266209
1988	4.15111660349718
1989	3.91982497637641
1990	3.66933415966991
1991	3.42225813624854
1992	3.28107716659174
1993	3.21741267219422
1994	3.13022153642647
1995	3.05109780206663
1996	1.9186108885048
1997	0.830563111583877
1998	0.776176625940364
1999	0.716903736122423
2000	0.670960073758389
2001	2.57337766489402
2002	4.36937150135481
2003	4.2256694355319
2004	4.01273671344563
2005	3.69143527252581
2006	0.493606005740852
2007	-2.59249693414403
2008	-2.74035938783357
2009	-2.93936722302096
2010	-3.20999418688968
2011	-1.34005355374823
2012	0.630034574524577
2013	0.497261875887559
2014	0.355274942185653
2015	0.174377690367456
2016	1.10060298979862
2017	1.77218271287863
2018	1.58014708656145
2019	1.75749125736997
2020	1.76189129507448
2021	1.70228822534561
2022	0.994607149162366
2023	0.330181899850107