Year	annual %
1961	2.985072196619626
1962	3.665817019620917
1963	2.549340364009282
1964	2.886929350251677
1965	2.6500390708464465
1966	2.3538327214801598
1967	4.896144257168643
1968	6.082036402751356
1969	3.4666656275233976
1970	4.123711657969608
1971	5.4455441862042875
1972	4.577464949856008
1973	4.040404388421564
1974	6.634303959018695
1975	7.384928372044229
1976	2.9674989785466863
1977	4.30008965159756
1978	5.35087861328951
1979	5.8284765671368035
1980	8.615262734892255
1981	9.272003770824043
1982	6.728537209830037
1983	5.5279511302396
1984	4.708652027430276
1985	2.698144330307727
1986	3.3345682651736865
1987	3.207969423890475
1988	3.7156120281461256
1989	2.2942137121924304
1990	11.851238619617078
1991	3.123297481651548
1992	2.576380333657525
1993	1.8863908048568874
1994	3.1782645443523876
1995	2.7741824375375757
1996	3.9115527761345987
1997	1.332250230710173
1998	6.360142576402339
1999	1.472777763543533
2000	3.295071907260734
2001	5.5049110244885355
2002	2.549778242521313
2003	4.417472883868129
2004	-1.2921780498036384
2005	6.590122533400901
2006	5.492863842299414
2007	3.782483976531111
2008	6.561857839787393
2009	4.9825555853530545
2010	2.494098591309907
2011	2.3698263491592115
2012	1.179228149062837
2013	1.182015195750182
2014	1.200554859381569
2015	1.9775444701880502
2016	2.221582484334064
2017	2.091402162422227
2018	2.0461156854381386
2019	2.412852256961756
2020	2.382283456423778
2021	2.799639904752354
2022	3.033079021757956
2023	3.23545943820875