Year	annual %
1961	0.954490525087003
1962	2.015374611534341
1963	0.9153711084777711
1964	2.115426913166999
1965	1.5013314568520997
1966	2.7511976209561055
1967	2.0720271560513694
1968	1.5652695136578174
1969	0.706272590546142
1970	3.9103337359299104
1971	9.090662783953988
1972	2.0979360816292285
1973	9.190863229577431
1974	34.606550552296554
1975	5.454291225748243
1976	8.88889261239806
1977	11.255860813970969
1978	8.417213279000578
1979	19.27185581719604
1980	14.882020116728327
1981	9.909970030161674
1982	6.432121450707925
1983	10.730145660598822
1984	8.24745260848205
1985	4.054488148005902
1986	7.490749486475195
1987	9.894159357520579
1988	9.060963477006354
1989	15.824346036726233
1990	16.622449874924058
1991	11.99358111515916
1992	13.171745343996676
1993	8.429105388322682
1994	8.448871563887977
1995	10.679005567444506
1996	7.1076674485611875
1997	10.410509033443049
1998	2.377681489201791
1999	7.442196772685577
2000	9.700985969830029
2001	2.748200453706488
2002	3.165579066479424
2003	6.777493605962221
2004	11.446503789323103
2005	11.950448970805326
2006	10.649451546762819
2007	7.095515787762906
2008	15.950125977090295
2009	-0.45255878055276355
2010	10.106864629661857
2011	11.66297635176224
2012	5.981930503721827
2013	4.500270189790385
2014	2.4478441118455834
2015	2.6713437133122397
2016	1.1659452549003007
2017	4.825946494226393
2018	7.0447665382213245
2019	3.2621682072280507
2020	6.24605067140822
2021	10.400527240603267
2022	22.886075240776222
2023	4.183203449228586