Year	annual %
1967	10.6631299734748
1968	11.073825503355705
1969	18.583944756150196
1970	27.581990034903313
1971	7.532599424321695
1972	13.94595541029532
1973	24.699837259060757
1974	1.8317535058354353
1975	20.213120945770033
1976	24.95729519998048
1977	48.89954839497131
1978	16.031523016818944
1979	13.109286560019443
1980	0.7826636045497045
1981	13.263617670280528
1982	16.92618394155472
1983	4.942041796542863
1984	12.786204823816844
1985	6.346285684464058
1986	32.69897094250959
1987	11.130193114229602
1988	8.039236941817695
1989	12.920831816612063
1990	20.057281130083133
1991	19.57273077770434
1992	39.02143058666375
1993	28.033439877903444
1994	23.177872414757978
1995	29.000478090934706
1996	25.32505645963691
1997	20.194663047664115
1998	2.9312516256246273
1999	6.487695196491024
2000	4.907897731080456
2001	5.640363014140308
2002	9.888810259571292
2003	11.787299235231089
2004	13.471663985876841
2005	9.908371573527013
2006	16.971906375804497
2007	20.423045176864356
2008	15.548838204245657
2009	16.457322945514008
2010	22.36167469767689
2011	19.152054185848616
2012	14.392322736287927
2013	15.278325131767845
2014	26.52126264670937
2015	16.069809899017287
2016	3.8904103438615256
2017	9.008327563019991
2018	10.12298105070489
2019	6.017497589300887
2020	13.273284493651516
2021	6.218815716349489
2022	7.527122610064017
2023	19.873676783177686