Tables:
 - all-time peak ratings
 - top exit ratings (date < 2014)
 - peak rating progression
Charts:
 - rolling average and deviation of rankings
 - average ranking at the beginning of each championship season
 - peak season ranking (MAX, MIN, AVG, STDDEV GROUP BY YEAR(date))
 - top 5 of every season (on average) by decade
Calculation:
 - modifying disparity by time of year (or by ranking deviation from last 3-4 months)

TODO:
 - detect grid penalties (ergast.races.grid != eragst.qualifying.position) -> ergast-qualifying.csv
 - non-ergast.qualifying.position != ergast.races.grid (chicane-results.csv -> temp db -> chicane-results.csv)
 - detect multi-heat (NC) races on chicanef1