CREATE TABLE table_72372 ("Country" TEXT, "Total Drivers" FLOAT, "Champions" TEXT, "Championships" TEXT, "Current September 22 ,  2013" FLOAT, "First driver ( s ) " TEXT, "Last/Current driver ( s )  September 22 ,  2013" TEXT)

How many champions were there when the first driver was hiroki yoshimoto ( 2005 )?
SELECT "Champions" FROM table_72372 WHERE "First driver(s)" = 'Hiroki Yoshimoto ( 2005 )'
SELECT "Champions" FROM "table_72372" WHERE "First driver(s)" = 'Hiroki Yoshimoto ( 2005 )'