Year	annual %
1961	2.4663897537152195
1962	6.095841623485441
1963	7.8453746900212735
1964	6.254319614797282
1965	9.164866647040412
1966	8.173743359832343
1967	8.53771908824055
1968	5.911130108934628
1969	5.133250641811642
1970	5.942586320002647
1971	7.846024160770469
1972	8.517923191339975
1973	11.849594552473903
1974	15.94511238907188
1975	16.78178174369171
1976	16.489921585932237
1977	23.38307010833796
1978	20.63104196691097
1979	16.93163079103681
1980	13.354827235091278
1981	12.35119248800622
1982	13.58232339712346
1983	11.88424544472619
1984	10.864733440409012
1985	8.595479489825706
1986	10.878816828031248
1987	5.944198022887065
1988	5.936126368574719
1989	6.896194175559117
1990	7.326250920019461
1991	6.935139663165813
1992	6.710771178083121
1993	4.537241263116414
1994	3.879841919257359
1995	4.933129811207834
1996	3.460091245472796
1997	2.3559856043469978
1998	2.566601708647397
1999	2.5411101326916707
2000	3.3297547087570507
2001	4.108232407294921
2002	4.084674627066278
2003	3.9335033388896363
2004	3.8822250084793666
2005	4.100992149355861
2006	3.9796266398478366
2007	3.416396759315006
2008	2.2543271978750994
2009	0.14377533927054742
2010	0.1534793795504612
2011	-0.019739335685287074
2012	-0.11460776555026086
2013	0.39767642949055926
2014	-0.22372266769966132
2015	0.5453182621091486
2016	0.3220980121385395
2017	1.2992118331838185
2018	1.2455524177770627
2019	1.447358430019392
2020	1.1376434021120474
2021	2.6563242017087845
2022	4.142323198605709
2023	5.927784931984689