Year	annual %
1978	5.341402126014998
1979	5.602083529527775
1980	-0.5347840480474417
1981	1.5341874984789854
1982	4.12426164774115
1983	3.6325748762523915
1984	3.5684652405338397
1985	5.979708165203036
1986	7.194273812407317
1987	9.097425042160182
1988	2.9667917056046065
1989	3.7677307847603316
1990	4.012611897778001
1991	1.3855458142136143
1992	-0.851148756391396
1993	-1.958815581437463
1994	1.69355604419043
1995	2.1294751495985764
1996	4.438234716033577
1997	5.015494609367451
1998	11.753502991919177
1999	6.898362433686771
2000	4.887952136505618
2001	-2.0239000407205765
2002	3.437323529541473
2003	9.46397343076491
2004	-0.647450316084857
2005	13.276188330627207
2006	-3.995328244274816
2007	6.123450947414668
2008	0.9475426249076975
2009	-6.6132813479954535
2010	-0.511146187173722
2011	0.764773550338731
2012	-1.1548381640980097
2013	2.351098016779048
2014	7.342123960379482
2015	6.44522314693144
2016	3.7396039558691
2017	4.438675669481512
2018	4.3614403936479675
2019	0.6765117388737565
2020	-13.75662225721068
2021	4.68747816934534
2022	7.320740615518744
2023	4.809286898839346