Ok if you look at the 94 total, jedi and sith, you get some different percentages.
Shii cho 8%
Makashi 18%
Soresu 5%
Ataru 20%
Djem so/shien 21%
Niman 13%
Juyo 15%
It is strange to see Soresu with only 5% .... Maybe because Obiwan is so awesome but i always though Soresu was more used ...