Year	annual %
1961	8.695652173913043
1962	10.933333333333334
1963	8.68389423076923
1964	19.104230024882497
1965	8.751160631383472
1966	10.949839914621132
1967	-12.65871489034244
1968	15
1969	26.910553533805786
1970	47.79655900996076
1971	6.392321045644849
1972	15.577310682407141
1973	13.776781265570504
1974	89.19786876870302
1975	55.663143275981795
1976	41.451265148323465
1977	34.47272982111884
1978	-2.0103448725131265
1979	30.950671453264196
1980	46.108155308260905
1981	5.899971507793661
1982	9.545308388400738
1983	14.021625183454638
1984	11.602799172016685
1985	8.992736328244526
1986	1.953094631365266
1987	22.41116364190941
1988	32.913197256310696
1989	12.92799525071734
1990	32.70102764757014
1991	37.380213897889675
1992	63.260253765728706
1993	53.757968324004466
1994	34.49514215174321
1995	19.411714745051313
1996	16.178158590808238
1997	16.039002948568545
1998	22.317757590471913
1999	33.12105820090528
2000	48.067522693278725
2001	26.376800424080116
2002	18.82109827038391
2003	13.511368967584477
2004	20.677025539620395
2005	22.603632520392782
2006	36.350721202838635
2007	87.76134863713236
2008	42.22342955227939
2009	14.864352936175745
2010	6.72486734324051
2011	21.685616238180955
2012	27.08446797502767
2013	14.302086066139639
2014	-0.7941670760608234
2015	4.090156628551313
2016	31.922168607730622
2017	1.3878291095168456
2018	14.982110019507886
2019	6.448631051300513
2020	11.632545644464347
2021	14.237414335527305
2022	17.422605169497857