Year	annual %
1961	4.058289237286729
1962	5.827068224222899
1963	4.8477602421732655
1964	5.310728126925298
1965	3.7972414189917743
1966	4.805009692954698
1967	4.453315561470234
1968	3.0811057929822
1969	2.574391646566852
1970	4.712755542968992
1971	9.151123719070767
1972	9.801959169581309
1973	8.140425097582835
1974	6.932618880691294
1975	7.132941201143623
1976	2.7298545398079597
1977	0.2580117778984601
1978	3.6127650084445406
1979	1.9883686448639963
1980	2.706682737813466
1981	5.661107703622363
1982	7.34804061217811
1983	2.3668842526852956
1984	3.7596379882191826
1985	2.2707307258450697
1986	3.0345939760400853
1987	2.1934820882296293
1988	2.7902388095901074
1989	3.4584601617660695
1990	4.603621322870637
1991	5.40910475702043
1992	2.1246350431822094
1993	2.322023992544459
1994	1.184387136204279
1995	0.7377577107262141
1996	0.2800224606073414
1997	-0.4764833369483483
1998	-0.1892590591419463
1999	0.043770557097261076
2000	1.3672855042870822
2001	0.9743833200013228
2002	-0.24946389949714387
2003	1.1797592414251739
2004	0.2966272792969846
2005	0.9246382915516449
2006	2.150257984591164
2007	2.3770613268889065
2008	1.449928010065733
2009	0.4575439796224714
2010	0.3127365742587642
2011	-0.020452916705949065
2012	0.06372026315726487
2013	-0.08684264043523626
2014	-0.6531238036201756
2015	-1.2650568747670974
2016	-0.583291591583972
2017	-0.3678692168139577
2018	0.7642891971757422
2019	-0.10389515800778781
2020	-0.6991876227381368
2021	1.2461919666959744
2022	2.497159503827902
2023	1.0233140259283289