Year	annual %
1961	1.4824503281589472
1962	1.5064292104847112
1963	1.5040164953078516
1964	1.4827022917389883
1965	1.4351981419797255
1966	1.524563357845878
1967	1.7444534951831088
1968	1.740430443412862
1969	1.7187695345685938
1970	1.686257181377627
1971	1.7116817713910564
1972	1.6906978019944745
1973	1.7262863110818927
1974	1.8950987157327717
1975	2.1365750714627865
1976	2.4199120456646313
1977	2.3865298645905852
1978	2.2844165802550407
1979	2.576810376787847
1980	2.5677667290466104
1981	2.2031265839026304
1982	2.1516606811205747
1983	2.1458483396782384
1984	1.935579798012995
1985	1.8600856418895546
1986	1.8354690043017001
1987	1.8320183671995238
1988	1.62741081785407
1989	1.6092905139657034
1990	2.170347313361276
1991	1.3629698039111275
1992	1.3620780875579754
1993	1.8314691424144058
1994	2.1509190926898043
1995	2.0707798040687777
1996	1.9925785344086222
1997	1.8896226938823304
1998	1.7910847752562233
1999	1.7508100863021383
2000	1.7538605796935371
2001	1.6884509938957422
2002	1.6592320548706425
2003	1.60429704929453
2004	1.5905289127893525
2005	1.5760412477705756
2006	1.642559988958098
2007	2.026988441963823
2008	1.6998029488575384
2009	1.6220433586366028
2010	1.544698420816644
2011	1.570855779812888
2012	1.624227740703148
2013	1.5557344437906693
2014	1.472887753439764
2015	1.341241451724656
2016	1.4384688552029843
2017	1.4641901776547996
2018	1.462735990785717
2019	1.4354633728011095
2020	1.2535112586263182
2021	1.1084977962700862
2022	1.1317147756638235
2023	1.1672793600207285