| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q3 2025 | -6.69 | -9.29 | -357% | Aug 1, 2025 | Oct 31, 2025 |
| Q2 2025 | -7.92 | -11.7 | -310% | May 1, 2025 | Jul 31, 2025 |
| Q1 2025 | -6.45 | -10.5 | -259% | Feb 1, 2025 | Apr 30, 2025 |
| Q4 2024 | -1.3 | -0.7 | -117% | Nov 1, 2024 | Jan 31, 2025 |
| Q3 2024 | 2.6 | +2.69 | Aug 1, 2024 | Oct 31, 2024 | |
| Q2 2024 | 3.77 | +3.89 | May 1, 2024 | Jul 31, 2024 | |
| Q1 2024 | 4.06 | +4.63 | Feb 1, 2024 | Apr 30, 2024 | |
| Q4 2023 | -0.6 | -5.01 | -114% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | -0.09 | -3.64 | -103% | Aug 1, 2023 | Oct 31, 2023 |
| Q2 2023 | -0.11 | -3.75 | -103% | May 1, 2023 | Jul 31, 2023 |
| Q1 2023 | -0.58 | -4.49 | -115% | Feb 1, 2023 | Apr 30, 2023 |
| Q4 2022 | 4.41 | +0.84 | +23.6% | Nov 1, 2022 | Jan 31, 2023 |
| Q3 2022 | 3.55 | -1.17 | -24.8% | Aug 1, 2022 | Oct 31, 2022 |
| Q2 2022 | 3.64 | -1.18 | -24.5% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | 3.92 | -1.35 | -25.6% | Feb 1, 2022 | Apr 30, 2022 |
| Q4 2021 | 3.56 | -2.12 | -37.3% | Nov 1, 2021 | Jan 31, 2022 |
| Q3 2021 | 4.72 | -0.51 | -9.75% | Aug 1, 2021 | Oct 31, 2021 |
| Q2 2021 | 4.82 | -0.3 | -5.86% | May 1, 2021 | Jul 31, 2021 |
| Q1 2021 | 5.27 | +0.63 | +13.6% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | 5.69 | +1.95 | +52.2% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | 5.23 | +1.9 | +57.2% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | 5.12 | +1.95 | +61.5% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | 4.64 | +1.63 | +54.1% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | 3.73 | -0.03 | -0.8% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | 3.32 | -4.87 | -59.4% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | 3.17 | -5.25 | -62.3% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | 3.01 | -5.63 | -65.2% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | 3.76 | -4.35 | -53.7% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 8.2 | +4.59 | +127% | Aug 1, 2018 | Oct 31, 2018 |
| Q2 2018 | 8.43 | +4.95 | +142% | May 1, 2018 | Jul 31, 2018 |
| Q1 2018 | 8.64 | +4.91 | +132% | Feb 1, 2018 | Apr 30, 2018 |
| Q4 2017 | 8.11 | +3.9 | +92.6% | Nov 1, 2017 | Jan 31, 2018 |
| Q3 2017 | 3.61 | -0.89 | -19.8% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | 3.48 | -0.97 | -21.8% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | 3.73 | -0.46 | -11% | Feb 1, 2017 | Apr 30, 2017 |
| Q4 2016 | 4.21 | +1.76 | +71.9% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | 4.5 | +1.91 | +74% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | 4.44 | +1.63 | +58% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | 4.19 | +1.09 | +35.1% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | 2.45 | -3.58 | -59.4% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | 2.58 | -3.53 | -57.8% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | 2.81 | -3.26 | -53.7% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 3.1 | -3.13 | -50.3% | Feb 1, 2015 | Apr 30, 2015 |
| Q4 2014 | 6.03 | -0.33 | -5.19% | Nov 1, 2014 | Jan 31, 2015 |
| Q3 2014 | 6.11 | -0.08 | -1.29% | Aug 1, 2014 | Oct 31, 2014 |
| Q2 2014 | 6.07 | -0.07 | -1.14% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | 6.23 | +0.29 | +4.88% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | 6.36 | +0.72 | +12.8% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | 6.19 | +0.96 | +18.4% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 6.15 | +1.16 | +23.3% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 5.94 | +0.88 | +17.4% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 5.64 | +0.57 | +11.2% | Nov 1, 2012 | Jan 31, 2013 |
| Q3 2012 | 5.22 | -0.15 | -2.79% | Aug 1, 2012 | Oct 31, 2012 |
| Q2 2012 | 4.99 | -0.75 | -13.1% | May 1, 2012 | Jul 31, 2012 |
| Q1 2012 | 5.06 | -0.64 | -11.2% | Feb 1, 2012 | Apr 30, 2012 |
| Q4 2011 | 5.07 | Nov 1, 2011 | Jan 31, 2012 | ||
| Q3 2011 | 5.37 | Aug 1, 2011 | Oct 31, 2011 | ||
| Q2 2011 | 5.74 | May 1, 2011 | Jul 31, 2011 | ||
| Q1 2011 | 5.7 | Feb 1, 2011 | Apr 30, 2011 |
| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| 2024 | -6.71 | -11.4 | -243% | May 1, 2024 | Apr 30, 2025 |
| 2023 | 4.69 | +5.25 | May 1, 2023 | Apr 30, 2024 | |
| 2022 | -0.57 | -4.36 | -115% | May 1, 2022 | Apr 30, 2023 |
| 2021 | 3.8 | -1.42 | -27.2% | May 1, 2021 | Apr 30, 2022 |
| 2020 | 5.22 | +0.65 | +14.2% | May 1, 2020 | Apr 30, 2021 |
| 2019 | 4.56 | +1.24 | +37.3% | May 1, 2019 | Apr 30, 2020 |
| 2018 | 3.32 | -5.1 | -60.6% | May 1, 2018 | Apr 30, 2019 |
| 2017 | 8.42 | +4.82 | +134% | May 1, 2017 | Apr 30, 2018 |
| 2016 | 3.61 | -2.59 | -41.8% | May 1, 2016 | Apr 30, 2017 |
| 2015 | 6.19 | +2.39 | +62.9% | May 1, 2015 | Apr 30, 2016 |
| 2014 | 3.8 | -2.37 | -38.4% | May 1, 2014 | Apr 30, 2015 |
| 2013 | 6.17 | +0.18 | +3.01% | May 1, 2013 | Apr 30, 2014 |
| 2012 | 5.99 | +0.53 | +9.7% | May 1, 2012 | Apr 30, 2013 |
| 2011 | 5.46 | May 1, 2011 | Apr 30, 2012 |