Year	base year varies by country
1990	99.99905204859475
1991	111.99251947043318
1992	126.74388893940454
1993	147.4993514150806
1994	178.15615415341227
1995	259.65073440076816
1996	355.1245376663653
1997	402.3223383922636
1998	368.75677982055197
1999	492.1461369285428
2000	607.0428295970239
2001	623.7255833942021
2002	678.063810765236
2003	751.9208457005006
2004	858.0418407140705
2005	1017.0657686761167
2006	1155.2712485405632
2007	1281.0604449702794
2008	1542.1116915730843
2009	1407.8667048070831
2010	1740.3526170419664
2011	2055.5942889698536
2012	2176.7337272209465
2013	2377.188201235102
2014	2547.473899409823
2015	3731.4442688055556
2016	3736.4597345503853
2017	4429.706263636532
2018	5087.679982163715