| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q2 2024 | 4.25 | +0.79 | +22.8% | May 1, 2024 | Jul 31, 2024 |
| Q1 2024 | 4.2 | +0.77 | +22.4% | Feb 1, 2024 | Apr 30, 2024 |
| Q4 2023 | 4.17 | +0.83 | +24.8% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | 3.96 | +0.51 | +14.7% | Aug 1, 2023 | Oct 31, 2023 |
| Q2 2023 | 3.46 | -0.6 | -14.8% | May 1, 2023 | Jul 31, 2023 |
| Q1 2023 | 3.43 | -0.8 | -18.9% | Feb 1, 2023 | Apr 30, 2023 |
| Q4 2022 | 3.34 | -1.19 | -26.3% | Nov 1, 2022 | Jan 31, 2023 |
| Q3 2022 | 3.46 | -1.01 | -22.6% | Aug 1, 2022 | Oct 31, 2022 |
| Q2 2022 | 4.06 | -0.45 | -9.98% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | 4.23 | -0.08 | -1.86% | Feb 1, 2022 | Apr 30, 2022 |
| Q4 2021 | 4.53 | +0.5 | +12.4% | Nov 1, 2021 | Jan 31, 2022 |
| Q3 2021 | 4.47 | +0.39 | +9.56% | Aug 1, 2021 | Oct 31, 2021 |
| Q2 2021 | 4.51 | +0.58 | +14.7% | May 1, 2021 | Jul 31, 2021 |
| Q1 2021 | 4.31 | +0.41 | +10.5% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | 4.03 | +0.11 | +2.8% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | 4.08 | -0.01 | -0.24% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | 3.93 | -0.23 | -5.52% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | 3.9 | -0.32 | -7.59% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | 3.93 | -0.34 | -7.97% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | 4.09 | +0.11 | +2.77% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | 4.17 | +0.22 | +5.57% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | 4.22 | +0.19 | +4.72% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | 4.27 | +0.18 | +4.41% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 3.98 | -0.5 | -11.2% | Aug 1, 2018 | Oct 31, 2018 |
| Q2 2018 | 3.95 | -0.65 | -14.1% | May 1, 2018 | Jul 31, 2018 |
| Q1 2018 | 4.03 | -0.64 | -13.7% | Feb 1, 2018 | Apr 30, 2018 |
| Q4 2017 | 4.08 | -0.6 | -12.8% | Nov 1, 2017 | Jan 31, 2018 |
| Q3 2017 | 4.48 | -0.31 | -6.48% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | 4.6 | -0.32 | -6.51% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | 4.66 | -0.24 | -4.89% | Feb 1, 2017 | Apr 30, 2017 |
| Q4 2016 | 4.69 | -0.31 | -6.2% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | 4.79 | -0.46 | -8.76% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | 4.92 | -0.43 | -8.04% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | 4.9 | -0.58 | -10.6% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | 5 | -0.59 | -10.6% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | 5.25 | -0.24 | -4.37% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | 5.35 | -0.19 | -3.43% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 5.49 | -0.09 | -1.61% | Feb 1, 2015 | Apr 30, 2015 |
| Q4 2014 | 5.59 | -0.05 | -0.89% | Nov 1, 2014 | Jan 31, 2015 |
| Q3 2014 | 5.49 | -0.43 | -7.27% | Aug 1, 2014 | Oct 31, 2014 |
| Q2 2014 | 5.53 | -0.36 | -6.11% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | 5.58 | -0.33 | -5.58% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | 5.64 | -0.27 | -4.56% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | 5.92 | -0.01 | -0.17% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 5.9 | -0.03 | -0.51% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 5.91 | -0.01 | -0.17% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 5.92 | -0.01 | -0.17% | Nov 1, 2012 | Jan 31, 2013 |
| Q3 2012 | 5.93 | -0.02 | -0.34% | Aug 1, 2012 | Oct 31, 2012 |
| Q2 2012 | 5.93 | -0.07 | -1.17% | May 1, 2012 | Jul 31, 2012 |
| Q1 2012 | 5.92 | -0.11 | -1.82% | Feb 1, 2012 | Apr 30, 2012 |
| Q4 2011 | 5.93 | -0.13 | -2.15% | Nov 1, 2011 | Jan 31, 2012 |
| Q3 2011 | 5.94 | Aug 1, 2011 | Oct 31, 2011 | ||
| Q2 2011 | 6 | May 1, 2011 | Jul 31, 2011 | ||
| Q1 2011 | 6.03 | Feb 1, 2011 | Apr 30, 2011 | ||
| Q4 2010 | 6.05 | Nov 1, 2010 | Jan 31, 2011 |