Year	2015 = 100
1980	33.1296928435
1981	55.137752943
1982	40.3315350075
1983	29.9544428685
1984	28.8191153248
1985	33.128692454
1986	29.6737897945
1987	22.1763167355
1988	19.7799655166
1989	13.5520026481
1990	17.5070430877
1991	15.3147868662
1992	47.1232719664
1993	36.9829982886
1994	25.1892115549
1995	40.6921952109
1996	36.0026284928
1997	40.5540422501
1998	42.2401049891
1999	44.1659164379
2000	40.4771842132
2001	42.2457936931
2002	50.2488926474
2003	56.8858495169
2004	52.1753189446
2005	55.4276483505
2006	64.0573967346
2007	97.8708522259
2008	90.2816229276
2009	91.0082000011
2010	81.317798937
2011	69.8228454629
2012	78.3345280127
2013	104.0328480753
2014	135.613417667
2015	100
2016	112.6813802205
2017	132.8402970782
2018	158.3145855598
2019	145.8730583587
2020	127.4071864733
2021	137.6403804253