Year	annual %
1973	14.600300880057105
1974	21.51340153170483
1975	3.630818886556227
1976	13.479185201818765
1977	0.9292036990635069
1978	-3.2671852339578464
1979	3.1172386387888054
1980	-7.7905016586379645
1981	0.3980290349360587
1982	11.52984136110014
1983	5.51416746477625
1984	3.1038159457045538
1985	2.8789433806084617
1986	-2.550229050363072
1987	8.417668474217123
1988	-5.009714211042947
1989	5.253206373944906
1990	5.773204096185509
1991	4.124442157451426
1992	3.6809346628099604
1993	6.042276297459125
1994	2.4872104668918382
1995	1.4926428856022227
1996	6.186534565919445
1997	1.8004555756465663
1998	2.938420503857003
1999	6.19027036208999
2000	4.233257578859579
2001	4.60110780147464
2002	5.080652744087885
2003	4.500354406065071
2004	5.693443275756579
2005	5.627006073212982
2006	6.010609609304666
2007	7.892164072970445
2008	4.847601484138735
2009	1.9809226930346995
2010	4.983866270977728
2011	32.7895639813498
2012	-0.44101511192712906
2013	-0.48664034765175757
2014	0.7951895605912114
2015	-0.8195555110939665
2016	6.448345784592874
2017	3.2751329435926095
2018	0.29320307562679204
2019	-0.6389545210787162
2020	-4.8238177219082985
2021	7.891627720968316
2022	3.9975717456904363