Your rating is calculated from your total sum of deposites minus sum of refunded purchases. It works only on bases starting from «Benito Mussolini».

Your total deposits is 0$
Price of purchases: 0
Refunded purchases: 0

Your discount on new bases is 1%

Total sum	Discount
< 1000$	1%
1000$ — 1999$	3%
2000$ — 2999$	5%
3000$ — 3999$	7%
4000$ — 5999$	9%
> 6000$	12%

To make things easier to understand. Motivation ratio is counted by deducting the sum of refunded purchases out of account deposits. In other words - more you spend and less you refund the higher discount percent you eventually get. Having a discount percent of 12% allows you to see the new databases an hour earlier (8 AM EST) than general public (9 AM EST).