Head to Head Arrows driver comparison for 1978 season.
[{'label': 'Riccardo Patrese', 'data': [16, 19, 13, 14, 15, 15, 8, 8, 8, 10, 10, 10, 10, None, 12]}, {'label': 'Rolf Stommelen', 'data': [None, 17, 18, 19, 21, 22, 22, 22, 23, 24, 24, 24, 24, 27, 27]}]