NBA TOTALS LINES - I'LL MAKE YOU $$$ IF YOU HELP ME

I have been tracking this system of mine for the last 3-4 years or so.  Every game that it falls into the system for the seasons 05/06 & 06/07 are tracked in an excel file.

I need to know if anybody knows where to find 2h total lines for NBA games because before I post any plays pertaining to this system for the upcoming year, I want to do stat tracking for at least the 07/08 season and maybe even 04/05 season.

I will say that it went:
61.4% in 05/06
66% in 06/07

I was using D-Best's archived scores page for longest time, now the scores are only archived for previous week or so.

It was always something I thought about and played every now and then, but I sat down one day and did the numbers for those 2 seasons and I have little doubt this starts to lose, but I just want a few more seasons numbers to be safe.