Head to Head Lotus F1 driver comparison for 2013 season.
[{'label': 'Kimi Räikkönen', 'data': [1, 2, 2, 2, 2, 2, 3, 3, 3, 2, 4, 4, 4, 3, 3, 3, 3, None, None]}, {'label': 'Romain Grosjean', 'data': [10, 8, 9, 7, 7, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7]}, {'label': 'Heikki Kovalainen', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, 23, 22]}]