| 2010-07-13 | AFD: 20.5, SD: 5.6, CV: 27.5, %>30: 6.1 |
| 2011-05-31 | AFD: 21.4, SD: 5.6, CV: 26.1, %>30: 6.7 |
| 2012-08-03 | AFD: 22.7, SD: 5.5, CV: 24.0, %>30: 8.2 |
| 2013-05-04 | AFD: 22.2, SD: 5.0, CV: 22.5, %>30: 6.2 |
| 2014-05-03 | AFD: 21.8, SD: 4.9, CV: 22.4, %>30: 5.1 |
| 2020-05-31 | AFD: 24.8, SD: 5.3, CV: 21.2, CF:86.0% (Alpaca Consulting Services USA) |