Year	annual %
1976	20.26629218746126
1977	16.362000949882358
1978	7.777403361197273
1979	9.905569382245687
1980	5.753244701682107
1981	2.516998440986825
1982	6.021708985166654
1983	5.582181701959229
1984	8.757894382871783
1985	4.882540772862882
1986	3.7039502887879365
1987	7.065250813207172
1988	8.646777844411034
1989	7.94742553168615
1990	7.403999506590125
1991	0.7395012020426748
1992	9.399999016317025
1993	0.7000004881453776
1994	5.899998700944934
1995	8.362469304665694
1996	1.24858157644654
1997	2.640894639521747
1998	6.110846746425665
1999	4.997960422480048
2000	5.965310314885542
2001	3.952560540862919
2002	3.7229564988305697
2003	2.6232861229859026
2004	5.026343925759875
2005	4.853003838356656
2006	4.7138286656310555
2007	5.098068452611841
2008	3.6468119905756
2009	-2.0152623590686716
2010	2.2835449970291677
2011	0.416712762832276
2012	-3.447381423936193
2013	-6.587482256830938
2014	-1.7760619118771075
2015	3.4189231878165316
2016	6.573580201859542
2017	5.733476139134723
2018	5.647664895963999
2019	5.537254810705278
2020	-3.443596378876208
2021	9.91131179221449
2022	5.058128008413092
2023	2.466934964870944