Year	annual %
1961	7.815084526132391
1962	4.372200269079874
1963	15.126650695806433
1964	4.681395705222421
1965	8.52756836461319
1966	8.068525015233437
1967	8.061226962879466
1968	14.516195496096596
1969	9.762416661057356
1970	6.892172680126783
1971	12.803799583934508
1972	8.943004249905439
1973	11.289602638349521
1974	8.186941143223294
1975	6.363308819725335
1976	3.1416776269689133
1977	-1.81426778575361
1978	4.142366790081656
1979	1.471324337756074
1980	4.679853535508431
1981	1.3186730860575953
1982	1.2673475863297756
1983	1.282815011389291
1984	1.2094507383865936
1985	1.0726058224793733
1986	0.9516403108213831
1987	0.8883476620334106
1988	0.8427016161880142
1989	0.8390699645882231
1990	3.567719628647397
1991	1.4905904519317281
1992	1.5091590425029227
1993	1.4311174038266776
1994	1.2773563319741759
1995	1.0225733618629451
1996	0.7865851858087185
1997	0.7430832977868256
1998	0.6433156351098029
1999	0.5104911790867376
2000	0.42641013869381544
2001	0.16092505558944725
2002	0.2012881131388553
2003	0.22757190701435387
2004	0.18859080902471176
2005	0.20497262712129752
2006	0.132810636500791
2007	0.1748441091755611
2008	0.2528842883403618
2009	0.19754928040574357
2010	0.1415649506873398
2011	0.11505685857508574
2012	0.07208681902751432
2013	0.02336835351373056
2014	0.002920660264134668
2015	-0.014604154421076574
2016	-0.04577349989104159
2017	-0.08965988321134057
2018	-0.1385460692087277
2019	-0.194483190622117
2020	-0.24388225431127078
2021	-0.29069216942439713
2022	-0.3329757088452537
2023	-0.3776611276751457