Year	annual %
1977	7.60126687769027
1978	6.26304801670155
1979	7.80675824952114
1980	14.4928744064522
1981	12.6629930710215
1982	7.03155689389481
1983	6.70418399801423
1984	5.5164001084304
1985	4.72453615680211
1986	5.45375218150084
1987	5.17488127323863
1988	9.342126885472055
1989	6.46256171146444
1990	8.19137132040974
1991	6.96568127760753
1992	7.52351717022748
1993	5.736905833573971
1994	7.658243020195385
1995	5.81818181818192
1996	7.3134825933035295
1997	5.608028433898525
1998	8.614831536472906
1999	4.290728517238135
2000	2.15851810619419
2001	4.27267024465105
2002	2.72277227722765
2003	3.703697975284815
2004	4.42677525782239
2005	5.52861156446484
2006	4.86632048837464
2007	4.81676767378834
2008	10.2266645473148
2009	4.21903052064628
2010	3.68901229670766
2011	5.29573185230292
2012	3.02696391124796
2013	2.91354193604001
2014	3.14299050879095
2015	1.22393195511119
2016	1.9173109023338
2017	2.91263557371478
2018	3.1983464156241
2019	1.94257500833107
2020	2.41942189457782
2021	2.47710241465447
2022	5.463436520280025
2023	3.67013142377007