Head to Head BRM driver comparison for 1964 season.
[{'label': 'Tony Maggs', 'data': [23, 20, None, None, 24, 17, 11, None, None, None]}, {'label': 'Richie Ginther', 'data': [2, 4, 3, 3, 3, 4, 4, 4, 4, 5]}, {'label': 'Maurice Trintignant', 'data': [12, None, None, 19, 20, 13, None, 16, None, None]}, {'label': 'Giancarlo Baghetti', 'data': [22, 14, 15, None, 16, 20, 19, 20, None, None]}, {'label': 'Graham Hill', 'data': [1, 2, 2, 2, 2, 1, 1, 1, 1, 2]}, {'label': 'Richard Attwood', 'data': [None, None, None, None, 29, None, None, None, None, None]}]