| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 3.92 | -0.84 | -17.6% | Jul 31, 2024 |
| Q1 2024 | 4.35 | -0.56 | -11.4% | Apr 30, 2024 |
| Q4 2023 | 4.48 | -0.57 | -11.3% | Jan 31, 2024 |
| Q3 2023 | 4.62 | -0.58 | -11.2% | Oct 31, 2023 |
| Q2 2023 | 4.77 | -0.57 | -10.7% | Jul 31, 2023 |
| Q1 2023 | 4.91 | -0.57 | -10.4% | Apr 30, 2023 |
| Q4 2022 | 5.05 | -0.62 | -10.9% | Jan 31, 2023 |
| Q3 2022 | 5.19 | -0.66 | -11.3% | Oct 31, 2022 |
| Q2 2022 | 5.33 | -0.72 | -11.9% | Jul 31, 2022 |
| Q1 2022 | 5.48 | -0.78 | -12.5% | Apr 30, 2022 |
| Q4 2021 | 5.67 | -0.73 | -11.4% | Jan 31, 2022 |
| Q3 2021 | 5.86 | -0.63 | -9.71% | Oct 31, 2021 |
| Q2 2021 | 6.05 | -0.53 | -8.05% | Jul 31, 2021 |
| Q1 2021 | 6.26 | -0.41 | -6.15% | Apr 30, 2021 |
| Q4 2020 | 6.4 | -0.44 | -6.44% | Jan 31, 2021 |
| Q3 2020 | 6.49 | -0.57 | -8.08% | Oct 31, 2020 |
| Q2 2020 | 6.58 | -0.72 | -9.85% | Jul 31, 2020 |
| Q1 2020 | 6.67 | -0.91 | -12% | Apr 30, 2020 |
| Q4 2019 | 6.83 | -1 | -12.8% | Jan 31, 2020 |
| Q3 2019 | 7.06 | -0.99 | -12.3% | Oct 31, 2019 |
| Q2 2019 | 7.31 | -0.69 | -8.62% | Jul 31, 2019 |
| Q1 2019 | 7.57 | -0.42 | -5.25% | Apr 30, 2019 |
| Q4 2018 | 7.83 | -0.21 | -2.62% | Jan 31, 2019 |
| Q3 2018 | 8.04 | -0.06 | -0.74% | Oct 31, 2018 |
| Q2 2018 | 8 | -0.39 | -4.65% | Jul 31, 2018 |
| Q1 2018 | 8 | -0.69 | -7.94% | Apr 30, 2018 |
| Q4 2017 | 8.03 | -0.31 | -3.72% | Jan 31, 2018 |
| Q3 2017 | 8.1 | +0.27 | +3.45% | Oct 31, 2017 |
| Q2 2017 | 8.39 | +1.02 | +13.8% | Jul 31, 2017 |
| Q1 2017 | 8.69 | +1.83 | +26.7% | Apr 30, 2017 |
| Q4 2016 | 8.34 | +1.31 | +18.6% | Jan 31, 2017 |
| Q3 2016 | 7.83 | +0.62 | +8.59% | Oct 31, 2016 |
| Q2 2016 | 7.37 | +0.08 | +1.1% | Jul 31, 2016 |
| Q1 2016 | 6.87 | -0.5 | -6.79% | Apr 30, 2016 |
| Q4 2015 | 7.03 | -0.21 | -2.9% | Jan 31, 2016 |
| Q3 2015 | 7.22 | +0.05 | +0.7% | Oct 31, 2015 |
| Q2 2015 | 7.29 | +0.11 | +1.53% | Jul 31, 2015 |
| Q1 2015 | 7.37 | +1.84 | +33.3% | Apr 30, 2015 |
| Q4 2014 | 7.23 | +3.53 | +95.2% | Jan 31, 2015 |
| Q3 2014 | 7.16 | +5.04 | +237% | Oct 31, 2014 |
| Q2 2014 | 7.18 | +4.04 | +129% | Jul 31, 2014 |
| Q1 2014 | 5.53 | +0.73 | +15.2% | Apr 30, 2014 |
| Q4 2013 | 3.71 | -2.77 | -42.8% | Jan 31, 2014 |
| Q3 2013 | 2.13 | -4.5 | -67.9% | Oct 31, 2013 |
| Q2 2013 | 3.14 | -1.1 | -25.9% | Jul 31, 2013 |
| Q1 2013 | 4.8 | +2.45 | +104% | Apr 30, 2013 |
| Q4 2012 | 6.47 | Jan 31, 2013 | ||
| Q3 2012 | 6.63 | Oct 31, 2012 | ||
| Q2 2012 | 4.25 | Jul 31, 2012 | ||
| Q1 2012 | 2.35 | Apr 30, 2012 |