Fill-up	Computer	Driver	Diff
1	41.5	36.5	5.0
2	50.7	44.2	6.5
3	36.6	37.2	-0.6
4	37.3	35.6	1.7
5	34.2	30.5	3.7
6	45.0	40.5	4.5
7	48.0	40.0	8.0
8	43.2	41.0	2.2
9	47.7	42.8	4.9
10	42.2	39.2	3.0
11	43.2	38.8	4.4
12	44.6	44.5	0.1
13	48.4	45.4	3.0
14	46.4	45.3	1.1
15	46.8	45.7	1.1
16	39.2	34.2	5.0
17	37.3	35.2	2.1
18	43.5	39.8	3.7
19	44.3	44.9	-0.6
20	43.3	47.5	-4.2