Year	annual % growth
1961	1.5941373357587878
1962	2.23611119999363
1963	5.220770201578361
1964	9.11158589914443
1965	1.6954122495618407
1966	3.5186658962441015
1967	4.742518479315109
1968	1.227190534452106
1969	2.777953087446278
1970	5.5482502512549985
1971	1.8939458053748126
1972	-0.17592543236594338
1973	5.203707299980678
1974	3.046347943471247
1975	3.687903794031982
1976	0.865119672146534
1977	2.343629484262962
1978	1.8171900106368497
1979	0.1660635251803626
1980	3.154532927018394
1981	5.2335881479453406
1982	4.77731628980122
1983	4.9190326936714825
1984	5.458343047652718
1985	2.6360135676755476
1986	2.4137299322129593
1987	2.578479043651001
1988	5.319134798452168
1989	2.67099164265521
1990	4.178041203110254
1991	1.170321639130421
1992	4.1032178059332125
1993	1.1972359709288725
1994	2.85764828630883
1995	2.620388695560493
1996	5.634025403579727
1997	1.272033083480622
1998	3.5818903092756074
1999	2.6289424379158675
2000	1.9421435333268278
2001	3.2216664315306787
2002	2.6051669667555615
2003	4.166816712154798
2004	3.7274387648682676
2005	4.890512716868514
2006	4.314528584842009
2007	3.3313060439587474
2008	3.006957283831241
2009	2.351187027306196
2010	4.921057301453445
2011	4.350979207690926
2012	2.9589440675669323
2013	4.379720057536531
2014	2.9113940953628514
2015	2.786985969814282
2016	2.7753103235080374
2017	4.452569448674296
2018	2.7851675389407973
2019	3.44603664583407
2020	2.723852678675584
2021	4.191609360788661
2022	2.939746134755012
2023	2.792102926086031