Year	annual %
1970	-8.565737051792828
1971	3.0501089324618738
1972	8.086680761099366
1973	1.4180929095354522
1974	0.5303760848601736
1975	9.640287769784173
1976	19.553805774278217
1977	2.6710574460300034
1978	13.435495367070564
1979	15.394282123782595
1980	14.67465287231146
1981	10.968660968660968
1982	15.55412922550278
1983	13.071653397518979
1984	9.349926314065826
1985	5.825097334531297
1986	9.891042875336069
1987	15.657996394540305
1988	8.383433533734134
1989	7.899332306111967
1990	16.82216298552932
1991	6.633526199983701
1992	5.487199082919373
1993	16.126928928493804
1994	8.727930625740845
1995	8.549460638053706
1996	5.624273178982979
1997	23.477329596636974
1998	16.243347043193353
1999	10.564485199260835
2000	9.312226041436727
2001	4.909993076390492
2002	2.9808062475939066
2003	3.6769025367156205
2004	9.220387874417286
2005	10.835475275308323
2006	7.761371856516744
2007	10.529121421520236
2008	5.255166747048211
2009	1.6648281714043276
2010	5.522399061696651
2011	2.444737567966562
2012	2.9644449704482936
2013	0.545256322834849
2014	1.556608750567224
2015	-0.3755208705500148
2016	8.797282970183673
2017	1.8071748112538015
2018	1.05205053077531
2019	10.593084563520415
2020	-0.26764150291074607
2021	4.3387302856021925
2022	9.361593534993073