Year	annual %
1980	81.48814881488148
1981	15.67201190279385
1982	24.79634128912391
1983	-3.941963708700838
1984	9.9932461112492
1985	17.74875352265337
1986	4.225157637961983
1987	27.114153234709647
1988	20.79555323953448
1989	24.255845388398377
1990	-52.9608778126187
1991	-27.592409057859474
1992	-24.2154110971774
1993	34.82614865112508
1994	7.303206721857243
1995	18.070772947300956
1996	15.51600669638939
1997	16.606300378630355
1998	-43.08299104599027
1999	-16.005259823127872
2000	45.66667991121695
2001	84.32733540551095
2002	191.8040544302829
2003	-58.17237985358693
2004	-54.68515328420644
2005	43.42783915947997
2010	61.07298912822123
2011	31.192798063303083
2012	27.47966586611332
2013	4.55132050173968
2014	12.581161833590413
2015	8.201894879078301
2016	19.048048300533384
2017	38.646488532942854
2018	28.04846447243018
2019	249.83527818196566
2020	485.54704549966425
2021	131.82947789832426
2022	391.8839441001343
2023	708.9285997880079