Year	annual %
1961	2.4129714288462294
1962	1.962018740242361
1963	2.1367601869727753
1964	2.191875458086097
1965	1.7754726742546967
1966	1.542692713354784
1967	1.7502858272549284
1968	1.7391163757592785
1969	1.5586511055338286
1970	1.12416797748184
1971	1.4006016781231327
1972	2.0645613772047984
1973	2.125265263879552
1974	2.160471083007645
1975	2.1782242701915835
1976	2.1649802524787156
1977	2.1122829060470214
1978	1.9276927851761418
1979	1.6583513437527306
1980	1.5692226561020015
1981	1.5479657782723115
1982	1.554610453562936
1983	1.5663311026223907
1984	1.5293034057988804
1985	1.4210824199475096
1986	1.2931134682936785
1987	1.1692356778708506
1988	1.0174892625698924
1989	0.6593601064480415
1990	0.4658705928203032
1991	0.42809716403604753
1992	0.3784154045548782
1993	0.32776488871741055
1994	0.2842695217684705
1995	0.20729995907156026
1996	0.1492277836344284
1997	0.13855290239253792
1998	0.10717474414805081
1999	0.0646909836665849
2000	-0.9730162731747523
2001	0.04530202829985031
2002	-0.004229127346874445
2003	-0.24730195935814145
2004	-0.24027432766889562
2005	-0.22603960584091093
2006	-0.24415982327229963
2007	-0.23705817410807256
2008	-0.1710870052497506
2009	-0.1156630637327487
2010	-0.4693733648842633
2011	-0.13033301467590025
2012	-0.20775973693484498
2013	-0.2666585492061735
2014	-0.2832281178810298
2015	-0.27379947405168875
2016	-0.20901884468089216
2017	-0.10890125804313511
2018	-0.07842803523454586
2019	-0.05939885491392795
2020	-0.1650659726330494
2021	-0.3484482990046705
2022	-2.383897830058853
2023	-0.23016758682315439