Head to Head Stewart driver comparison for 1998 season.
[{'label': 'Jan Magnussen', 'data': [13, 14, 17, 18, 20, 14, None, None, None, None, None, None, None, None, None]}, {'label': 'Rubens Barrichello', 'data': [None, 13, 16, 9, 11, 9, 9, 9, 9, 9, 10, 12, 12, 12, 12]}, {'label': 'Jos Verstappen', 'data': [None, None, None, None, None, None, 23, 23, 23, 23, 23, 23, 23, 23, 23]}]