|
1000 Hours |
Trips |
| 2007 |
3.14 |
387 |
| 2006 |
0.88 |
121 |
| 2005 |
3.12 |
255 |
| 2004 |
3.74 |
401 |
| 2003 |
1.75 |
296 |
| 2002 |
5.52 |
538 |
| 2001 |
3.21 |
342 |
| 2000 |
2.81 |
248 |
| 1999 |
1.51 |
144 |
| 1998 |
1.13 |
100 |
| 1997 |
2.75 |
295 |
| 1996 |
2.62 |
266 |
| 1995 |
3.64 |
279 |
| 1994 |
5.94 |
345 |
| 1993 |
2.46 |
145 |
| 1992 |
1.55 |
109 |
| 1991 |
2.08 |
147 |
| 1990 |
1.59 |
126 |
| 1989 |
2.85 |
314 |
| 1988 |
3.65 |
353 |
| 1987 |
2.63 |
220 |
| 1986 |
11.15 |
729 |
| 1985 |
17.68 |
1116 |
| 1984 |
8.80 |
468 |
| 1983 |
12.70 |
621 |
| 1982 |
7.67 |
548 |
| AVERAGE |
4.48 |
343 |
| STD. DEV. |
3.96 |
224 |
|
