Year	annual %
1960	5.66473988439306
1961	3.17285699708263
1962	3.88832025146507
1963	6.36270692832308
1964	1.11963781543123
1965	4.55553368394821
1966	8.47199621539219
1967	13.9748929481675
1968	6.04623966197402
1969	4.92419394498303
1970	7.92395208301997
1971	19.0114086837676
1972	15.4164557223962
1973	13.9381652448957
1974	23.8981615766704
1975	21.2273552385836
1976	17.4556893891338
1977	25.9853378650601
1978	61.8970444383435
1979	63.5431082506343
1980	94.2608598807591
1981	37.6147825797716
1982	29.1375145022677
1983	31.3902710198445
1984	48.3923231346863
1985	44.9617301528779
1986	34.6100759738745
1987	38.8558434758408
1988	68.8096433837049
1989	63.2725524930958
1990	60.3038691346446
1991	65.9785679918951
1992	70.0761038690372
1993	66.0938429820006
1994	105.214986469202
1995	89.11331722485
1996	80.4121511388042
1997	85.669361649978
1998	84.6413434846315
1999	64.8674876350757
2000	54.9153705812683
2001	54.4001887619075
2002	44.9641209479849
2003	21.6024384490572
2004	8.59826168115272
2005	8.17916036802002
2006	9.59724212288432
2007	8.75618090972639
2008	10.4441283764885
2009	6.25097663090626
2010	8.56644420552976
2011	6.471879671151
2012	8.89156996512163
2013	7.49309030547693
2014	8.85457271364324
2015	7.67085364845877
2016	7.7751341532833
2017	11.1443110840765
2018	16.3324638988928
2019	15.1768215720022
2020	12.2789574462574
2021	19.5964926913324
2022	72.3088359891207
2023	53.8594087593315