Year	2000 = 100
1980	40.68256435
1981	42.45674593
1982	36.21501179
1983	30.13458742
1984	27.79792593
1985	26.65379202
1986	26.32457807
1987	36.39429873
1988	37.35458243
1989	39.67819259
1990	40.4885242
1991	41.10740975
1992	53.37412616
1993	56.51491195
1994	59.24071188
1995	64.83399936
1996	61.37219257
1997	81.21246699
1998	100.084503
1999	95.26959096
2000	100
2001	103.3728611
2002	141.9064237
2003	155.0969714
2004	197.0888643
2005	238.0497857
2006	289.0624647
2007	355.7177059
2008	430.7018202
2009	303.8688293
2010	397.4819661
2011	539.2143577
2012	551.5929023
2013	557.2140082
2014	566.3920588
2015	493.6583793
2016	462.6142446
2017	517.4888977
2018	534.7438549