| IE02 Southern and Eastern | ||
| 0 | 1990 | 39161 |
| 1 | 1991 | 39162 |
| 2 | 1992 | 37872 |
| 3 | 1993 | 36714 |
| 4 | 1994 | 36101 |
| 5 | 1995 | 36363 |
| 6 | 1996 | 37934 |
| 7 | 1997 | 39619 |
| 8 | 1998 | 40579 |
| 9 | 1999 | 40369 |
| 10 | 2000 | 41239 |
| 11 | 2001 | 43278 |
| 12 | 2002 | 45366 |
| 13 | 2003 | 46189 |
| 14 | 2004 | 46385 |
| 15 | 2005 | 45393 |
| 16 | 2006 | 47678 |