yeah thanks for the welcome guys
i worked it out at 20 volumes for the uk release so half of the austrailian release of 40 volumes although its not written in stone.
volume 1 - episodes 1-32 (8 disc set)
volume 2 - episodes 33-64 (8 disc set)
volume 3 - episodes 65-96 (8 disc set)
volume 4 - episodes 97-128 (8 disc set)
volume 5 - episodes 129-160 (8 disc set)
volume 6 - episodes 161-192 (8 disc set)
volume 7 - episodes 193-224 (8 disc set)
volume 8 - episodes 225-256 (8 disc set)
volume 9 - episodes 257-288 (8 disc set)
volume 10 - episodes 289-320 (8 disc set)
volume 11 - episodes 321-352 (8 disc set)
volume 12 - episodes 353-384 (8 disc set)
volume 13 - episodes 385-416 (8 disc set)
volume 14 - episodes 417-448 (8 disc set)
volume 15 - episodes 449-480 (8 disc set)
volume 16 - episodes 481-512 (8 disc set)
volume 17 - episodes 513-552 (10 disc set)
volume 18 - episodes 553-600 (12 disc set)
volume 19 - episodes 601-648 (12 disc set)
volume 20 - episodes 649-692 (11 disc set)