Year	annual %
1971	2.4182057023427035
1972	3.8588883694036866
1973	3.3981639607643785
1974	-0.6111081137788403
1975	0.5767364440785627
1976	3.0983005062100233
1977	1.9225406925122996
1978	2.2228104987405146
1979	1.910995641623316
1980	0.5933087330443243
1981	-0.3914392687668595
1982	-0.2679720310235041
1983	1.315290336134865
1984	1.578721855683412
1985	1.8678983401575238
1986	2.2649675133690153
1987	1.5642425923163756
1988	2.101593389218465
1989	1.6200771342001303
1990	1.4832495350453314
1991	-0.21333870989603554
1992	1.1240002151206454
1993	0.4788367457530853
1994	1.5258261010411047
1995	1.3714876110463052
1996	2.156148377109645
1997	1.9143526883035946
1998	1.7383185478528702
1999	2.5441402055753173
2000	2.9603853921740466
2001	1.2618894603026547
2002	1.197077966583521
2003	1.4607395841937887
2004	2.4481863322546786
2005	2.602678669508478
2006	2.33462301453109
2007	2.7426560177241157
2008	0.5716239488005215
2009	-1.473419157522983
2010	2.0410471484293424
2011	1.92601914893973
2012	1.2059243869609162
2013	1.44369262626563
2014	1.672021715285311
2015	1.741728240128765
2016	1.7808082177576523
2017	2.3321274571852797
2018	2.1104129276009758
2019	1.4688614932610449
2020	-5.520812900779646
2021	6.474824924717922
2022	2.967303471715013