The Weighted Inlier Equivalent Separations (WIES) methodology is updated from time to time.
The table below shows the WIES methodology which applies in each financial year:
| WIES Methodology | Financial Year |
|---|---|
| WIESNZ21 | 2021/22 |
| WIESNZ20 | 2020/21 |
| WIESNZ19 | 2019/20 |
| WIESNZ18 | 2018/19 |
| WIESNZ17 | 2017/18 |
| WIESNZ16 | 2016/17 |
| WIESNZ15 | 2015/16 |
| WIESNZ14 | 2014/15 |
| WIESNZ13 | 2013/14 |
| WIESNZ12 | 2012/13 |
| WIESNZ11 | 2011/12 |
| WIESNZ10 | 2010/11 |
| WIESNZ09 | 2009/10 |
| WIESNZ08 | 2008/09 |
| 11c | 2006/07 |
| 11b | 2006/07 |
| 11a | 2005/06 |
| 8c | 2004/05 & 2003/04 |
| 8b | 2002/03 |
| 8a | 2001/02 |
| 5a | 2000/01 |
| 01 = WIES5a |
| 02 = WIES5a |
| 03 = WIES8a |
| 04 = WIES8B |
| 05 = WIES8c |
| 06 = WIES11a |
| 07 = WIES11b |
| 08 = WIES11c |
| 09 = WIESNZ08 |
| 10 = WIESNZ09 |
| 11 = WIESNZ10 |
| 12 = WIESNZ11 |
| 13 = WIESNZ12 |
| 14 = WIESNZ13 |
| 15 = WIESNZ14 |
| 16 = WIESNZ15 |
| 17 = WIESNZ16 |
| 18 = WIESNZ17 |
| 19 = WIESNZ18 |
| 20 = WIESNZ19 |
| 21 = WIESNZ20 |
| 22 = WIESNZ21 |