Year	annual %
1971	3.7253689120113194
1972	4.263933007556631
1973	4.963375407873144
1974	0.3215257574115782
1975	-0.592284095391804
1976	3.91136012418724
1977	2.522479108305447
1978	3.636098946980667
1979	2.243763143528028
1980	-0.13632511751640664
1981	-1.3323854874732888
1982	0.47087122775650414
1983	1.5362534884190637
1984	2.1057993486221847
1985	2.179164565982191
1986	4.628542770537322
1987	2.588452193815101
1988	4.181109678449687
1989	3.427261905014788
1990	3.8189057910796578
1991	2.1913031625280723
1992	1.7760223079894786
1993	-0.7201714547771871
1994	1.7772759477832807
1995	2.254164808180576
1996	1.587908003826584
1997	2.4506480072935943
1998	3.032192847339573
1999	2.862902646873593
2000	2.4439101942635943
2001	1.7835731910113708
2002	0.512921705931376
2003	0.3971805982648533
2004	2.028477365829076
2005	0.9506853714304668
2006	2.5877546602926174
2007	2.369433335907928
2008	-1.0603904282540384
2009	-3.243395140026678
2010	1.388381009370292
2011	1.2303320976564152
2012	-1.1093655862583063
2013	-0.1409438617960319
2014	1.2821256128560492
2015	2.238610526967946
2016	2.256234932441444
2017	2.1132440886753443
2018	1.577465879135815
2019	1.552836762498643
2020	-6.269428236929571
2021	6.010426220802472
2022	0.3204341629907219