EFR 1988 | 31:57 |
EFR 1990 | 32:46 |
EFR 1992 | 32:45 |
EFR 1993 | 32:10 |
EFR 1994 | 33:34 |
EFR 1995 | 33:03 |
EFR 1996 | 31:30 |
EFR 1997 | 32:23 |
EFR 1998 | 32:10 |
EFR 1999 | 31:41 |
EFR 2000 | 31:24 |
EFR 2001 | 31:30 |
EFR 2002 | 32:28 |
EFR 2003 | 33:12 |
EFR 2004 | 33:03 |
EFR 2005 | 34:15 |
EFR 2006 | 36:25 |
EFR 2007 | 35:59 |