Head to Head Sauber driver comparison for 1995 season.
[{'label': 'Heinz-Harald Frentzen', 'data': [8, 8, 8, 8, 11, 11, 12, 12, 9, 7, 7, 7, 7, 7, 8, 9]}, {'label': 'Karl Wendlinger', 'data': [None, None, 24, None, None, None, None, None, None, None, None, None, None, None, 27, 28]}, {'label': 'Jean-Christophe Boullion', 'data': [None, None, None, 16, 18, 19, 17, 14, 14, 14, 14, 14, 14, 14, None, None]}]