Head to Head Sauber driver comparison for 2010 season.
[{'label': 'Pedro de la Rosa', 'data': [18, 14, 16, 17, 17, 17, 18, 18, 18, 18, 18, 17, 17, 17, None, None, None, None, None]}, {'label': 'Kamui Kobayashi', 'data': [22, 23, 24, 24, 18, 18, 16, 16, 13, 12, 12, 13, 12, 12, 12, 12, 12, 12, 12]}, {'label': 'Nick Heidfeld', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, None, 26, 18, 18, 18, 18]}]