The rating in the following table is expressed in terms of the percentage of available execution time expected to be used by the system or subsystem consuming the execution time resource.
| TIME Descriptors | = 50% use of available execution time | 70% use of available execution time | 85% use of available execution time | 95% use of available execution time | ||
|---|---|---|---|---|---|---|
| Rating Levels | Very Low | Low | Nominal | High | Very High | Extra High |
| Value | n/a | n/a | 1.00 | 1.11 | 1.29 | 1.63 |