What these stats do is help reveal the lack of variation among full-backs within and between leagues in Europe compared to most other positions.
With the Six Nations nearly upon us, it's shaping up to be a defining tournament for France, who have committed heavily to a rebuild under Fabien Galthié.
Stade Francais moved up to fifth in the table as Toulon and Racing 92 ran out convincing winners in Saturday's Top 14 action.
Worcester Warriors had lost 11 away games in a row in the Challenge Cup, but ended that sequence with a brilliant showing in Paris.
Stade Francais could not continue their strong start to the season on Sunday as rivals Racing 92 triumphed in Paris.
Castres overturned a 13-point deficit in the second half to beat Lyon in Saturday's Top 14 action.
Sergio Parisse was shown a red card in the first half, but Stade Francais made a winning start to the Top 14 away at newly-promoted Perpignan.