| date | WAM | WEM |
|---|---|---|
| 2010 | 4872.4 | 4872.4 |
| 2011 | 4800.8 | 4823.3 |
| 2012 | 4765.3 | 4800.6 |
| 2013 | 4681.3 | 4734.2 |
| 2014 | 4613.7 | 4682.9 |
| 2015 | 4550.0 | 4634.5 |
| 2016 | 4488.9 | 4597.8 |
| 2017 | 4444.6 | 4577.4 |
| 2018 | 4398.6 | 4555.5 |
| 2019 | 4358.0 | 4538.7 |
| 2020 | 4305.9 | 4512.5 |
| 2025 | 4218.6 | 4465.0 |
| 2030 | 4109.7 | 4427.1 |