| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q2 2025 | 7.15 | -0.96 | -11.8% | May 1, 2025 | Jul 31, 2025 |
| Q1 2025 | 7.13 | -0.95 | -11.8% | Feb 1, 2025 | Apr 30, 2025 |
| Q4 2024 | 7.44 | -0.27 | -3.5% | Nov 1, 2024 | Jan 31, 2025 |
| Q3 2024 | 7.99 | -0.05 | -0.62% | Aug 1, 2024 | Oct 31, 2024 |
| Q2 2024 | 8.12 | +0.28 | +3.57% | May 1, 2024 | Jul 31, 2024 |
| Q1 2024 | 8.08 | +0.4 | +5.21% | Feb 1, 2024 | Apr 30, 2024 |
| Q4 2023 | 7.71 | -0.19 | -2.41% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | 8.05 | +0.64 | +8.64% | Aug 1, 2023 | Oct 31, 2023 |
| Q2 2023 | 7.84 | +0.99 | +14.5% | May 1, 2023 | Jul 31, 2023 |
| Q1 2023 | 7.68 | +1.28 | +20% | Feb 1, 2023 | Apr 30, 2023 |
| Q4 2022 | 7.9 | +1.52 | +23.8% | Nov 1, 2022 | Jan 31, 2023 |
| Q3 2022 | 7.41 | +1.23 | +19.9% | Aug 1, 2022 | Oct 31, 2022 |
| Q2 2022 | 6.84 | +0.02 | +0.29% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | 6.4 | -0.84 | -11.6% | Feb 1, 2022 | Apr 30, 2022 |
| Q4 2021 | 6.37 | -1.58 | -19.9% | Nov 1, 2021 | Jan 31, 2022 |
| Q3 2021 | 6.18 | -1.89 | -23.4% | Aug 1, 2021 | Oct 31, 2021 |
| Q2 2021 | 6.82 | -0.72 | -9.54% | May 1, 2021 | Jul 31, 2021 |
| Q1 2021 | 7.24 | +0.46 | +6.79% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | 7.95 | +2.04 | +34.5% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | 8.07 | +1.81 | +28.9% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | 7.55 | +1.57 | +26.3% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | 6.78 | +1.11 | +19.6% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | 5.91 | +0.31 | +5.53% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | 6.26 | -3.72 | -37.3% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | 5.97 | -3.58 | -37.5% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | 5.67 | -3.75 | -39.8% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | 5.61 | -4.47 | -44.4% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 9.98 | +4.93 | +97.7% | Aug 1, 2018 | Oct 31, 2018 |
| Q2 2018 | 9.56 | +4.05 | +73.5% | May 1, 2018 | Jul 31, 2018 |
| Q1 2018 | 9.42 | +3.42 | +57% | Feb 1, 2018 | Apr 30, 2018 |
| Q4 2017 | 10.1 | +3.34 | +49.6% | Nov 1, 2017 | Jan 31, 2018 |
| Q3 2017 | 5.04 | -2.42 | -32.4% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | 5.51 | -2.97 | -35% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | 6 | -2.54 | -29.7% | Feb 1, 2017 | Apr 30, 2017 |
| Q4 2016 | 6.74 | -1.79 | -21% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | 7.47 | -1.36 | -15.4% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | 8.49 | +0.65 | +8.29% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | 8.54 | +1.05 | +14% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | 8.53 | +1.77 | +26.2% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | 8.82 | +3.09 | +53.9% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | 7.84 | +2.43 | +44.9% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 7.49 | +1.8 | +31.6% | Feb 1, 2015 | Apr 30, 2015 |
| Q4 2014 | 6.76 | +0.83 | +14% | Nov 1, 2014 | Jan 31, 2015 |
| Q3 2014 | 5.73 | -0.46 | -7.43% | Aug 1, 2014 | Oct 31, 2014 |
| Q2 2014 | 5.41 | -0.62 | -10.3% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | 5.69 | +0.25 | +4.6% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | 5.93 | +0.34 | +6.08% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | 6.19 | +0.3 | +5.09% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 6.03 | -0.37 | -5.79% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 5.44 | -1.2 | -18.1% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 5.59 | -1.29 | -18.8% | Nov 1, 2012 | Jan 31, 2013 |
| Q3 2012 | 5.89 | -0.99 | -14.4% | Aug 1, 2012 | Oct 31, 2012 |
| Q2 2012 | 6.4 | +0.31 | +5.09% | May 1, 2012 | Jul 31, 2012 |
| Q1 2012 | 6.64 | +0.43 | +6.93% | Feb 1, 2012 | Apr 30, 2012 |
| Q4 2011 | 6.88 | Nov 1, 2011 | Jan 31, 2012 | ||
| Q3 2011 | 6.88 | Aug 1, 2011 | Oct 31, 2011 | ||
| Q2 2011 | 6.09 | May 1, 2011 | Jul 31, 2011 | ||
| Q1 2011 | 6.21 | Feb 1, 2011 | Apr 30, 2011 |
| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| 2024 | 8.8 | +0.16 | +1.85% | May 1, 2024 | Apr 30, 2025 |
| 2023 | 8.63 | +0.22 | +2.62% | May 1, 2023 | Apr 30, 2024 |
| 2022 | 8.41 | +0.55 | +6.99% | May 1, 2022 | Apr 30, 2023 |
| 2021 | 7.87 | -0.17 | -2.12% | May 1, 2021 | Apr 30, 2022 |
| 2020 | 8.04 | +0.7 | +9.54% | May 1, 2020 | Apr 30, 2021 |
| 2019 | 7.34 | +1.3 | +21.5% | May 1, 2019 | Apr 30, 2020 |
| 2018 | 6.04 | -4.7 | -43.7% | May 1, 2018 | Apr 30, 2019 |
| 2017 | 10.7 | +4.04 | +60.2% | May 1, 2017 | Apr 30, 2018 |
| 2016 | 6.71 | -2.66 | -28.4% | May 1, 2016 | Apr 30, 2017 |
| 2015 | 9.37 | +1.26 | +15.5% | May 1, 2015 | Apr 30, 2016 |
| 2014 | 8.11 | +1.46 | +22% | May 1, 2014 | Apr 30, 2015 |
| 2013 | 6.65 | +0.63 | +10.5% | May 1, 2013 | Apr 30, 2014 |
| 2012 | 6.01 | -1.51 | -20.1% | May 1, 2012 | Apr 30, 2013 |
| 2011 | 7.53 | May 1, 2011 | Apr 30, 2012 |