My research based on figures from the NSW TAB are as follows

GOSF
1 MDN $2.30 Won
2 2MDN Lost
3 C2 $1.40 Won
4 C2 Lost
5 MDN Lost
6 MDN Lost
7 C2 Lost

ROCK
2 C1 $2.20 Win
5 MDN $3.40
6 C2 $1.90
7 C1 Lost

S CK
1 3+MDN $3.20 Win
2 2OPN $2.90 Win (Actually a 2YO OPEN)
3 3C1 Lost
4 3+MDN Lost
7 C2 Lost
8 4+C1 Lost

You seem to be very selective on the races you include and omit.

17 bets 7 wins $17.2 returned