Here,s a few weight stats for anyones interest (courtesy of Malcolm Knowles research)

56.5 KG - 57.5 = 10.2 % of runs = 15.5 % of wins.

58 - 59 2.7 % of runs = 4.8 % of wins

59.5 - 60.5 0.4 % of runs =0.7 % of wins

Cheers.
darky.