Year	annual %
1981	9.577975179868133
1982	17.393348705374677
1983	10.5638181107377
1984	8.766593894101902
1985	3.6666578554134475
1986	17.693395923273457
1987	6.962385149490217
1988	5.411607871097203
1989	3.5848590408388077
1990	2.3453103220441704
1991	4.792418837814893
1992	-4.115844707325962
1993	49.3540866011071
1994	-29.172462155752527
1995	-1.546899299005375
1996	-0.5461359794332594
1997	-0.835291448659234
1998	-0.3359905897686133
1999	7.61207827777595
2000	-7.901103471634016
2001	5.155334995573924
2002	-0.3632088710868544
2003	4.921099737151451
2004	-6.3325469946369
2005	-1.7948831697014782
2006	4.639770918709374
2007	18.56841679349816
2008	3.7127437036789956
2009	1.954558245136127
2010	0.6544154060920988
2011	2.7470408981606624
2012	0.6776074566213595
2013	1.4247601971565445
2014	-0.10031997940701842
2015	1.6204075588104274
2016	1.6799247929921535
2017	1.296913676350698
2018	1.7041711684910439
2019	0.694871205774092
2020	0.36616044672881287
2021	1.349901129073558
2022	7.547110515595264
2023	3.8572990772237006