Hi,
Nigel my database is based on most australian dog tracks, here are the results for the last 3 months of racing last year as per your query.
Box 1
Rank1 -27.91%
#2- -16%
#3- -8.8%
#4- -11.91%
#5- -24.49%
#6- +40.97%
#7- -23.49

Box 6
Rank 1 -4.46%
#2 +10.96%
#3 -18.84%
#4 +19.6%
#5 +8.44%