Year	annual %
1962	109.05172413793103
1963	-17.25085910652921
1964	44.518272425249165
1965	22.47126436781609
1966	76.34913186297513
1967	28.339542309739223
1968	42.50466514617458
1969	38.20747853921141
1970	57.94294136224865
1971	101.95960807838433
1972	144.55445544554456
1973	334.0080971659919
1974	297.294776119403
1975	306.7230179228301
1976	411.8440548809821
1977	100.75942704612955
1978	91.5805243445693
1979	83.49038160775727
1980	62.52996516050672
1981	23.741879658339286
1982	23.672040134133614
1983	14.895353220362214
1984	32.45310382495325
1985	52.726494836365276
1986	24.905085920279546
1987	31.52959143021557
1988	29.49662643290362
1989	31.366661671083286
1990	24.244428544579886
1991	26.974113708185293
1992	26.080178439047085
1993	24.537500273521342
1994	11.669498558763259
1995	24.34752560185655
1996	20.094079349474036
1997	24.467352676019814
1998	13.294012400308667
1999	12.984817251325897
2000	9.09259869123507
2001	82.58830836330597
2002	6.079162764652606
2003	-0.5123523861776941
2004	9.553330176150423
2005	11.191646014318644
2006	19.186391585421763
2007	18.754581412182915
2008	0.23651447015066057
2009	-4.697950987266491
2010	7.714455795061611
2011	22.87669792822932
2012	10.300774639734573
2013	11.742868033960786
2014	8.742519505393116
2015	9.151504104322113
2016	4.901817449399972
2017	0.5560211075395229
2018	4.178739764964299
2019	12.160054700545137
2020	14.06563346755401
2021	19.28524590329463
2022	3.7918034237703417
2023	2.6123620949730006