| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 3.83 | -0.46 | -10.7% | Jul 31, 2024 |
| Q1 2024 | 3.96 | -0.33 | -7.69% | Apr 30, 2024 |
| Q4 2023 | 4.09 | -0.29 | -6.63% | Jan 31, 2024 |
| Q3 2023 | 4.18 | -0.31 | -6.89% | Oct 31, 2023 |
| Q2 2023 | 4.29 | -0.36 | -7.75% | Jul 31, 2023 |
| Q1 2023 | 4.29 | -0.6 | -12.3% | Apr 30, 2023 |
| Q4 2022 | 4.37 | -0.67 | -13.3% | Jan 31, 2023 |
| Q3 2022 | 4.5 | -0.55 | -10.9% | Oct 31, 2022 |
| Q2 2022 | 4.65 | -0.49 | -9.54% | Jul 31, 2022 |
| Q1 2022 | 4.89 | -0.47 | -8.77% | Apr 30, 2022 |
| Q4 2021 | 5.05 | -0.45 | -8.19% | Jan 31, 2022 |
| Q3 2021 | 5.04 | -0.58 | -10.3% | Oct 31, 2021 |
| Q2 2021 | 5.13 | -0.68 | -11.7% | Jul 31, 2021 |
| Q1 2021 | 5.36 | -0.41 | -7.11% | Apr 30, 2021 |
| Q4 2020 | 5.5 | -0.09 | -1.61% | Jan 31, 2021 |
| Q3 2020 | 5.63 | +0.04 | +0.72% | Oct 31, 2020 |
| Q2 2020 | 5.81 | +0.55 | +10.4% | Jul 31, 2020 |
| Q1 2020 | 5.77 | +0.69 | +13.6% | Apr 30, 2020 |
| Q4 2019 | 5.59 | +0.36 | +6.88% | Jan 31, 2020 |
| Q3 2019 | 5.58 | +0.33 | +6.29% | Oct 31, 2019 |
| Q2 2019 | 5.26 | -0.25 | -4.54% | Jul 31, 2019 |
| Q1 2019 | 5.08 | -0.82 | -13.9% | Apr 30, 2019 |
| Q4 2018 | 5.23 | -1.14 | -17.9% | Jan 31, 2019 |
| Q3 2018 | 5.25 | -1.41 | -21.2% | Oct 31, 2018 |
| Q2 2018 | 5.51 | -1.54 | -21.8% | Jul 31, 2018 |
| Q1 2018 | 5.9 | -1.6 | -21.3% | Apr 30, 2018 |
| Q4 2017 | 6.37 | -1.52 | -19.3% | Jan 31, 2018 |
| Q3 2017 | 6.66 | -1.29 | -16.2% | Oct 31, 2017 |
| Q2 2017 | 7.05 | -0.98 | -12.2% | Jul 31, 2017 |
| Q1 2017 | 7.51 | -0.47 | -5.89% | Apr 30, 2017 |
| Q4 2016 | 7.89 | -0.24 | -2.95% | Jan 31, 2017 |
| Q3 2016 | 7.95 | -0.76 | -8.73% | Oct 31, 2016 |
| Q2 2016 | 8.03 | -1.35 | -14.4% | Jul 31, 2016 |
| Q1 2016 | 7.98 | -2.26 | -22.1% | Apr 30, 2016 |
| Q4 2015 | 8.13 | -2.85 | -26% | Jan 31, 2016 |
| Q3 2015 | 8.71 | -3.43 | -28.3% | Oct 31, 2015 |
| Q2 2015 | 9.38 | -3.64 | -28% | Jul 31, 2015 |
| Q1 2015 | 10.2 | -3.33 | -24.5% | Apr 30, 2015 |
| Q4 2014 | 11 | -3.25 | -22.8% | Jan 31, 2015 |
| Q3 2014 | 12.1 | -2.47 | -16.9% | Oct 31, 2014 |
| Q2 2014 | 13 | -2.13 | -14.1% | Jul 31, 2014 |
| Q1 2014 | 13.6 | -2.38 | -14.9% | Apr 30, 2014 |
| Q4 2013 | 14.2 | -2.79 | -16.4% | Jan 31, 2014 |
| Q3 2013 | 14.6 | -3.18 | -17.9% | Oct 31, 2013 |
| Q2 2013 | 15.2 | -3.5 | -18.8% | Jul 31, 2013 |
| Q1 2013 | 16 | -2.21 | -12.2% | Apr 30, 2013 |
| Q4 2012 | 17 | -0.48 | -2.74% | Jan 31, 2013 |
| Q3 2012 | 17.8 | +0.64 | +3.73% | Oct 31, 2012 |
| Q2 2012 | 18.7 | +2.08 | +12.6% | Jul 31, 2012 |
| Q1 2012 | 18.2 | +0.98 | +5.7% | Apr 30, 2012 |
| Q4 2011 | 17.5 | -0.38 | -2.13% | Jan 31, 2012 |
| Q3 2011 | 17.1 | -0.75 | -4.19% | Oct 31, 2011 |
| Q2 2011 | 16.6 | Jul 31, 2011 | ||
| Q1 2011 | 17.2 | Apr 30, 2011 | ||
| Q4 2010 | 17.9 | Jan 31, 2011 | ||
| Q3 2010 | 17.9 | Oct 31, 2010 |