Head to Head March driver comparison for 1975 season.
[{'label': 'Vittorio Brambilla', 'data': [9, 12, 15, 12, 13, 13, 15, 16, 16, 14, 16, 11, 11, 11]}, {'label': 'Lella Lombardi', 'data': [None, None, 29, 13, 14, 15, 18, 18, 18, 18, 21, 21, 21, None]}, {'label': 'Hans-Joachim Stuck', 'data': [None, None, None, None, None, None, None, None, None, 42, 41, 43, 45, 25]}, {'label': 'Mark Donohue', 'data': [None, None, None, None, None, None, None, None, None, 11, 13, 15, None, None]}]