| Upgrade Plans | Unlimited License Mariners |
|---|---|
| Cannot upgrade higher | 36% |
| Yes, during 2002 | 8% |
| Yes, during 2003 | 11% |
| Yes, after 2003 | 10% |
| Not planning to upgrade | 24% |
| Don't know | 12% |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Maritime Administration, 2002 Mariner Survey, Principal Findings, Washington, DC.