Head to Head McLaren driver comparison for 1971 season.
[{'label': 'Jo Bonnier', 'data': [24, None, None, None, None, None, 36, 37, 25, None, 26]}, {'label': 'Peter Gethin', 'data': [23, 12, 17, 19, 18, 19, 20, None, None, None, None]}, {'label': 'Denny Hulme', 'data': [6, 8, 6, 8, 10, 10, 10, 12, None, 13, 13]}, {'label': 'Jackie Oliver', 'data': [None, None, None, None, None, 36, None, 23, 22, None, None]}, {'label': 'Mark Donohue', 'data': [None, None, None, None, None, None, None, None, None, 15, None]}, {'label': 'David Hobbs', 'data': [None, None, None, None, None, None, None, None, None, None, 27]}]
