Year	annual %
1961	4.733187949610608
1962	4.53579331380132
1963	4.237049359366543
1964	4.315749241806202
1965	4.604545751506357
1966	4.868752739103133
1967	5.067626484681364
1968	5.197933351868649
1969	5.149367154255368
1970	5.144132505131543
1971	7.35924286199238
1972	7.490377093272923
1973	7.460556703965205
1974	7.459229224321424
1975	7.43542722208884
1976	7.390380185599242
1977	7.352538852041449
1978	7.351409122697699
1979	4.804994984158604
1980	4.741807172125405
1981	5.005492014257004
1982	5.193140414584584
1983	4.9589180406984745
1984	4.685202173512573
1985	4.782663242804844
1986	4.995100361815286
1987	4.972997639904371
1988	4.562877556127509
1989	4.024618084000548
1990	3.8373649015764837
1991	3.614069317631436
1992	15.81869775995877
1993	18.28268100542429
1994	-1.1257193691782446
1995	-2.154416174659821
1996	31.14342450074565
1997	22.414590024431824
1998	9.236427254152535
1999	7.199740238569221
2000	7.194394516049045
2001	7.269232142696293
2002	7.604488693715612
2003	3.0645012457343777
2004	2.6029286862680743
2005	2.6553348876091634
2006	2.6943429571556634
2007	2.717336978336797
2008	2.7052617929371436
2009	2.670116506007636
2010	2.6306921127619587
2011	2.5891600604436094
2012	2.489352536176433
2013	2.402897303681363
2014	2.4954637651520115
2015	2.603805546877216
2016	2.748321470249086
2017	2.882569332691163
2018	2.935928105741702
2019	2.9816934998354445
2020	3.0817259560539108
2021	3.1488701713910454
2022	3.178769094712497
2023	3.2422312067076944