Year	annual %
1961	9.69030969030969
1962	9.289617486338798
1963	13.333333333333334
1964	17.86764705882353
1965	18.83967560823456
1966	23.04461942257218
1967	15.656996587030717
1968	15.19734415344891
1969	17.034902337495996
1970	21.896032831395345
1971	28.130541153312155
1972	26.027397260111997
1973	28.422106082781127
1974	25.664559702173435
1975	28.010232205638918
1976	23.43010933559582
1977	33.8003139854576
1978	36.53148858856269
1979	61.724983736669024
1980	74.04442263192576
1981	88.3647362020955
1982	51.14404788370136
1983	29.713446296547986
1984	58.70532510406201
1985	55.18314190105815
1986	66.08930798549999
1987	53.321215779020726
1988	65.06417298326559
1989	69.0368505264559
1990	53.07843610098117
1991	82.92999719225749
1992	78.14060136545083
1993	64.22198164447315
1994	144.79679228340945
1995	104.18957535631293
1996	116.53975281304542
1997	97.79596297865199
1998	89.31653726692242
1999	101.99090359658342
2000	40.65796037043809
2001	90.36813458197344
2002	27.885454838646645
2003	14.43683138943718
2004	20.79169230294494
2005	35.967453596549326
2006	22.17427552054378
2007	15.225666782543708
2008	24.823689261755536
2009	12.659447539704969
2010	18.546859090393255
2011	15.204026614265246
2012	10.422274683865506
2013	21.152821760572845
2014	11.18342526188194
2015	16.514655808082367
2016	17.64878823266816
2017	16.351922419018404
2018	18.38002716014252
2019	27.023086495456717
2020	34.24288531672965
2021	52.51794426044306
2022	60.339327263069286
2023	69.93635188782665