Tables:
 + all-time peak ratings
 + top exit ratings (date < 2014)
 + peak rating progression
 + year-by-year top peak/average ratings
 + highest/lowest ranked podiums
 + races with biggest changes
 + highest rating at the end of rookie season (= first season with at least 7 sessions) / highest average rating over rookie season
Charts:
 + rolling average and deviation of rankings (average of averages groupped by driver)
 + average ranking at the beginning and the end of each championship season (first and last championship races)
 + peak season ranking (MAX peak rating, MIN bottom rating, AVG average, STDDEV average GROUP BY YEAR(date), _driver)
 + top 3 of every season (on average) by half-decade