Don't think we are likely to get an estimate, it will depend...

Don't think we are likely to get an estimate, it will depend purely on the decision of the gov dept dealing with the upgrade.

I am not even willing to hazard a guess due to certain backlash from a recent poster, however, I am prepared to post that I am confident that your estimate will be surpassed.

The progression of the data will in time lead to further upgrades, and dependant upon the cost/timeframes, further chambers are sure to improve the upgrade to a much higher %.