Head to Head March driver comparison for 1972 season.
[{'label': 'Henri Pescarolo', 'data': [8, 13, 16, 20, 23, None, None, 24, None, 26, 26, 27]}, {'label': 'Niki Lauda', 'data': [11, 11, 13, 17, 19, 19, 21, 22, 22, 23, 23, 23]}, {'label': 'Ronnie Peterson', 'data': [6, 8, 9, 10, 12, 10, 10, 10, 10, 11, 11, 9]}, {'label': 'Carlos Pace', 'data': [None, 21, 12, 15, 13, 14, 14, 16, 16, 17, 18, 18]}, {'label': 'Rolf Stommelen', 'data': [None, 18, 21, 24, 25, 25, 26, 27, 27, None, None, None]}, {'label': 'Mike Beuttler', 'data': [None, None, 29, 25, 26, 26, 27, 25, 25, 25, 25, 26]}, {'label': 'Skip Barber', 'data': [None, None, None, None, None, None, None, None, None, None, 33, 34]}]