One could earn 8 for discount
WHY for short distance flights (e.g. MEL-SYD), 15 for longer distance trips (MEL-BNE) etc. As a result one could have an 'odd' number of TC's.
There was no pro-rata conversions and no 'lifetime' credit given for eligible travel undertaken before then. (So my 200+ flights Oct 1994-Sep 1998 did not count toward any of my lifetime status
).
Later on there were further changes (2001?) where these were renamed "Status Credits" and could only be earned in multiples of 10. All accumulated LT TC's were "converted" to life time "SC's" at 1:1. For several years I had an "odd" lifetime count ending in 5. (Discount
WHY travel between MEL and SYD or MEL and BNE would earn 10 SC's).
From May 2005 there were further changes with the number of bands/zone increasing and SC's earned for discount
WHY travel between MEL and BNE increased to 15.