If you want to know total of all coinbases, timelocked or not, you can look at the explorer: https://explorer.veruscoin.io/
If you want to calculate all unlocked/circulating/stakable coins, download and enter blockheight in this spreadsheet: https://www.dropbox.com/s/yvclqq98j8nxdmg/Verus_POS.xlsx?dl=0
Max supply is in the original announcement: 83,540,184