_id	Year	Low-cost market share ()
22	1998	0.016
23	 	0.017
24	2000	0.018
25	 	0.021
26	2002	0.037
27	 	0.07
28	2004	0.10562467675367161
29	 	0.13349548662888633
30	2006	0.16083590452488275
31	 	0.1876782314010204
32	2008	0.20243670290731855
33	 	0.21252135164152447
34	2010	0.22579778331729
35	 	0.2389967719235448
36	2012	0.24848356701086352
37	 	0.2572481568387992
38	2014	0.27541020285174805
39	 	0.2871251627295472
40	2016	0.30116891505045795
41	 	0.30552936178198764
42	2018	0.302691656966846