Which jockey has the highest number of graded stakes wins thus far this year?

Which jockey has the highest number of graded stakes wins thus far this year?

Which jockey has the highest number of graded stakes wins thus far this year? [1061 votes total]
Javier Castellano (736)	69%
Victor Espinoza (203)	19%
Mike Smith (63)	6%
Gary Stevens (46)	4%
Other (13)	1%