Formula 1 teams spend hundreds of thousands of pounds, or even millions, to find that extra tenth, or even few hundredths, of a second.
If you are spending that amount of money, it's essential that you have two drivers capable of performing. Some will argue that good or bad luck will influence the outcome, but seven race weekends is a good enough sample set to offer a reasonably accurate picture of relative performance.
Taking each driver's fastest lap of every grand prix weekend, turned into a percentage of the quickest overall and converted into a percentage, this is how the 11 pairs of team-mates stack up, with the most evenly matched first.
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