Year	annual %
1961	7.785717616140772
1962	4.199577569613538
1963	5.510469059146189
1964	5.328705883566371
1965	5.136857284639291
1966	4.970869147054245
1967	5.495390076085371
1968	4.918863181787742
1969	4.4333987047007355
1970	17.39643296333506
1971	5.09135193700088
1972	5.604421619925176
1973	12.705396160165193
1974	20.810050423844004
1975	7.17744085284626
1976	8.007886485346248
1977	6.749106630433204
1978	4.6037582904653505
1979	2.7516310298721436
1980	5.437983896329541
1981	2.8576621922158836
1982	1.759523054957171
1983	0.9207505844206878
1984	1.4296058907237637
1985	1.260620598642575
1986	1.6120268600886334
1987	-0.1637856796628938
1988	0.609789282975953
1989	2.069040246483439
1990	2.5644041390114296
1991	2.9045709867426552
1992	1.6772695912006412
1993	0.5284106422903676
1994	0.18680862928013653
1995	-0.523458983689423
1996	-0.44577539324210136
1997	0.5044608142738269
1998	-0.026680247024998494
1999	-1.2410513472625837
2000	-1.3362600899871353
2001	-1.0848798481520134
2002	-1.3909786153579944
2003	-1.6077037075122433
2004	-1.124766399852433
2005	-1.1940176805642722
2006	-0.8620183892280266
2007	-0.7052435474997907
2008	-0.9115302882851637
2009	-0.5695649246243448
2010	-1.8807419499391642
2011	-1.6220802500926652
2012	-0.7560931195551603
2013	-0.3543750543302764
2014	1.6862947862667426
2015	2.1112989932749997
2016	0.4199443760572734
2017	-0.07434950372906712
2018	-0.00023750638760589027
2019	0.63480316569607
2020	0.9414497007943083
2021	-0.1900606248612604
2022	0.3339798772217648
2023	3.752612323191883