Head to Head Sauber driver comparison for 1997 season.
[{'label': 'Nicola Larini', 'data': [6, 7, 11, 13, 15, None, None, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Johnny Herbert', 'data': [None, 10, 9, 10, 12, 11, 11, 11, 12, 12, 10, 11, 11, 11, 11, 11, 10]}, {'label': 'Gianni Morbidelli', 'data': [None, None, None, None, None, 22, 23, None, None, None, 26, 24, 24, 23, 23, 23, None]}, {'label': 'Norberto Fontana', 'data': [None, None, None, None, None, None, None, None, 23, 23, None, None, None, None, None, None, 23]}]