Head to Head March driver comparison for 1970 season.
[{'label': 'Chris Amon', 'data': [23, 19, 20, 7, 7, 4, 5, 5, 6, 7, 7, 8, 8]}, {'label': 'Mario Andretti', 'data': [20, 5, None, None, None, None, 13, 13, 14, None, None, None, None]}, {'label': 'Jackie Stewart', 'data': [3, 1, 2, 2, 1, 2, 3, 4, 5, 2, None, None, None]}, {'label': 'Jo Siffert', 'data': [10, 13, 14, 16, 19, 20, 20, 22, 23, 23, 24, 26, 26]}, {'label': 'Johnny Servoz-Gavin', 'data': [17, 8, 10, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Ronnie Peterson', 'data': [None, None, 13, 17, 20, 21, 21, 23, None, 24, 25, 27, None]}, {'label': 'François Cevert', 'data': [None, None, None, None, 26, 23, 22, 21, 22, 20, 21, 22, 22]}, {'label': 'Hubert Hahne', 'data': [None, None, None, None, None, None, None, 37, None, None, None, None, None]}]