The points lead changed hands seven times among five drivers during the season.
The lead changed 50 times among eight drivers, a new record for the track to that point.
The biggest drop was among drivers 15 to 24 years old.
The exceptions to the general feeling among drivers were, however, important ones.
The race was a very competitive event, as the lead changed 63 times among 11 drivers.
The lead changed 45 times (a race record broken in 2010) among nine drivers.
Seat belt use among young drivers is lower than for older ones, although officials are not sure by how much.
The race became one of the most competitive in racing history, as the lead changed 68 times among 16 drivers.
The race featured 21 lead changes among a dozen different drivers.
