Year	annual %
1971	13.743633730655901
1972	5.4242942826437
1973	9.018673738588106
1974	5.743486904762804
1975	13.908444106606368
1976	-2.1194377656464525
1977	1.0095929078720616
1978	1.3271287284206608
1979	3.1069450512420076
1980	12.449052171671042
1981	14.641441073910897
1982	1.1725678797536858
1983	1.2023548984267762
1984	6.1617550869083
1985	3.7924156916512004
1986	12.264478039883869
1987	14.606590236782296
1988	6.569821571054462
1989	12.91110407281488
1990	21.018000536139496
1991	1.7603763493116702
1992	3.2262068810839537
1993	3.106114156769408
1994	2.4006910390288283
1995	4.825651549964704
1996	3.8420536377188057
1997	3.1028053503962383
1998	2.604039401329487
1999	2.9508752114854104
2000	1.7601737602222443
2001	1.0547649060689253
2002	4.380099087900888
2003	3.880213585971262
2004	3.623914225966246
2005	5.998776549879253
2006	5.9921668378351
2007	4.435375576869745
2008	0.8216639138000517
2009	1.5650488524351545
2010	3.7937549682814904
2011	2.2472297610679988
2012	5.396630696667273
2013	3.861213797666224
2014	0.9232305471443567
2015	2.2274806753240597
2016	1.062610193428526
2017	2.026578155749803
2018	2.3800954953486553
2019	2.692168272716785
2020	-1.5596425899949935
2021	10.683693878707913
2022	0.4757693397441187
2023	4.842320852521652