Units in which ThrottleTimeInterval is expressed. Uses same enumerations as OrderDelayUnit (1429).
| Code | Meaning | 
|---|---|
| 0 | Seconds (default if not specified) | 
| 1 | Tenths of a second | 
| 2 | Hundredths of a second | 
| 3 | milliseconds | 
| 4 | microseconds | 
| 5 | nanoseconds | 
| 10 | minutes | 
| 11 | hours | 
| 12 | days | 
| 13 | weeks | 
| 14 | months | 
| 15 | years |