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| FTEs in thousands (000) | |
|---|---|
| 1990 | 461.8 |
| 1991 | 448.5 |
| 1992 | 451.8 |
| 1993 | 448.0 |
| 1994 | 435.9 |
| 1995 | 431.3 |
| 1996 | 443.3 |
| 1997 | 376.6 |
| 1998 | 401.9 |
| 1999 | 426.7 |
| 2000 | 523.2 |
| 2001 | 506.0 |
| 2002 | 476.6 |
| 2003 | 442.3 |
| 2004 | 442.4 |
| 2005 | 424.2 |
| 2006 | 403.7 |
| 2007 | 413.9 |
| 2008 | 414.4 |
| 2009 | 387.7 |
| 2010 | 378.3 |
| 2011 | 385.4 |
| 2012 | 390.9 |
Source: Bureau of Transportation Statistics
Note: FTE calculations count two part-time employees as one full-time employee.