Year	2010 = 100
1961	2.27688779966717
1962	2.31758985299288
1963	2.42457277298525
1964	2.3146025463285
1965	2.34279525298932
1966	2.34839645298667
1967	2.38144353298385
1968	2.480958186305
1969	2.60530482627811
1970	2.55358707962622
1971	2.63163046628
1972	2.86053283958287
1973	3.05844190621971
1974	3.34092909284833
1975	4.20706496015255
1976	4.92341583980521
1977	5.53341381000498
1978	6.0234167436311
1979	6.39258940838526
1980	6.82885906574857
1981	7.23478195054634
1982	8.02017869812623
1983	8.87322925982791
1984	10.8340762265694
1985	12.8188665184679
1986	20.0692394714948
1987	24.7913643334809
1988	27.6896203215269
1989	29.9809408577054
1990	33.628957016338
1991	36.5352869163585
1992	40.0012224394306
1993	42.5868231465376
1994	43.3151456887785
1995	46.3389649285639
1996	46.8484566152232
1997	48.151418961434
1998	48.6879164915942
1999	50.5440810134291
2000	50.971163115798
2001	53.261091598188
2002	57.8464054138192
2003	67.6993064479928
2004	77.3171731204846
2005	81.0582586952405
2006	82.7252245604672
2007	87.1668533294479
2008	91.0402474868351
2009	95.1930546365208
2010	100
2011	104.795882661831
2012	109.254236951057
2013	115.48077783219
2014	122.349573755068
2015	130.679689360556
2016	140.126253232327
2017	151.384262300215
2018	161.255981964361
2019	172.730435584882
2020	182.975555086968
2021	196.461489499352
2022	219.080336221032
2023	256.267499051756