Year	annual %
1961	4.121763391199522
1962	3.669431627538472
1963	9.447002109652544
1964	4.382120471168932
1965	4.891513035735045
1966	5.18123136468715
1967	3.919569685815574
1968	8.007277745589604
1969	4.577788126985709
1970	5.768856248115554
1971	5.502034217364411
1972	7.29879426273952
1973	7.233388946255488
1974	6.770399969978598
1975	1.6064419898782916
1976	8.31058361118879
1977	8.400284448572634
1978	5.233920750488579
1979	5.087912144632398
1980	3.105212947097158
1981	0.19147756306917074
1982	-3.851874790197698
1983	-2.506070218299854
1984	-0.49527338603837734
1985	-0.13896861555173246
1986	-1.2594782091195924
1987	4.175634183401385
1988	4.175574055336909
1989	4.0732140304034345
1990	2.6684884468098744
1991	5.235480790751907
1992	4.581900169217647
1993	4.250823400783176
1994	4.066788194495814
1995	4.8456305953002925
1996	2.554290953026552
1997	4.4799780794629385
1998	5.426088684402359
1999	3.663499848260358
2000	3.657930321512538
2001	3.034425932774681
2002	2.6840000725726156
2003	2.6624156514261585
2004	2.875893823088191
2005	3.2175468290233766
2006	4.857425598178764
2007	6.104347271248045
2008	4.205131338445625
2009	0.1126630259141308
2010	2.278162696931446
2011	3.8799351980822507
2012	3.738343878794609
2013	3.4190805872887466
2014	4.128309549507065
2015	4.306312820855297
2016	2.9059722306240303
2017	3.1476927705993205
2018	3.472672164399654
2019	4.242856909464464
2020	-1.8083457057661008
2021	7.307388255744129
2022	4.587797225860157
2023	3.8055358819398606