News Wins To Total Ratio

Slice:	video_fresh
Index:	71
Name:	NewsWinsToTotalRatio
Group:
Description:	Ratio between wins and wins + losses for news results
Tags:	TG_DYNAMIC TG_QUERY_ONLY TG_USER TG_USER_SEARCH TG_FRESHNESS_USE
Authors:	vilenkin
Responsibles:	vilenkin juver