Year	annual %
1971	5.72235939755663
1972	4.691330884705437
1973	6.614255541900292
1974	4.36646532225879
1975	1.648320113788742
1976	2.60632666586109
1977	2.0951074988468434
1978	1.4773370931266356
1979	4.927219747911636
1980	4.150714161011024
1981	-1.938423285825877
1982	-3.7037146070686475
1983	-4.222668001583401
1984	2.0029350997857307
1985	1.539609097860989
1986	1.5529732282339523
1987	1.7403210713164299
1988	-1.4709843396837385
1989	3.1894790668687705
1990	-5.153186516270736
1991	1.6054065545478409
1992	0.6813570421749944
1993	2.5982799394052165
1994	2.9228481999597875
1995	-0.7686976708707789
1996	2.3182133368452327
1997	3.728997575887078
1998	0.9864774210994369
1999	-1.3787258313898576
2000	2.0672387942289703
2001	-1.2444337874801192
2002	-1.1927976854912572
2003	1.1401307588827905
2004	3.1068984020682535
2005	2.5776617222557974
2006	5.185053897549977
2007	4.336896342355061
2008	2.5948496466299247
2009	-3.48344517792313
2010	5.13791718826495
2011	3.3561286513833437
2012	1.2501517189556353
2013	2.002158884249951
2014	0.24239196106418603
2015	-0.5709867822508414
2016	-1.6906553177280017
2017	0.8940391333982944
2018	-0.12909190707789264
2019	-0.3659380969382795
2020	-6.8710303487262365
2021	5.588558915612879
2022	3.3794596145799716
2023	1.4709259033291175