| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q2 2024 | -14.5 | -24.8 | -240% | May 1, 2024 | Jul 31, 2024 |
| Q1 2024 | -9.88 | -19.5 | -202% | Feb 1, 2024 | Apr 30, 2024 |
| Q4 2023 | -0.38 | -3.8 | -111% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | 4.65 | +5.51 | Aug 1, 2023 | Oct 31, 2023 | |
| Q2 2023 | 10.4 | +14.3 | May 1, 2023 | Jul 31, 2023 | |
| Q1 2023 | 9.64 | -0.99 | -9.32% | Feb 1, 2023 | Apr 30, 2023 |
| Q4 2022 | 3.41 | -16.5 | -82.9% | Nov 1, 2022 | Jan 31, 2023 |
| Q3 2022 | -0.87 | -18.1 | -105% | Aug 1, 2022 | Oct 31, 2022 |
| Q2 2022 | -3.91 | -20.3 | -124% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | 10.6 | +12.2 | Feb 1, 2022 | Apr 30, 2022 | |
| Q4 2021 | 19.9 | +35.1 | Nov 1, 2021 | Jan 31, 2022 | |
| Q3 2021 | 17.3 | +33.5 | Aug 1, 2021 | Oct 31, 2021 | |
| Q2 2021 | 16.4 | +32.8 | May 1, 2021 | Jul 31, 2021 | |
| Q1 2021 | -1.6 | +13.5 | +89.4% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | -15.1 | -2.96 | -24.3% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | -16.2 | -2.72 | -20.2% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | -16.5 | -3.94 | -31.4% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | -15.1 | -6.37 | -72.8% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | -12.2 | -8.2 | -206% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | -13.5 | -15.8 | -682% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | -12.5 | -14.4 | -786% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | -8.75 | -8.97 | -4120% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | -3.98 | -0.3 | -8.16% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 2.32 | +6.55 | Aug 1, 2018 | Oct 31, 2018 | |
| Q2 2018 | 1.83 | +2.77 | May 1, 2018 | Jul 31, 2018 | |
| Q1 2018 | 0.22 | -0.01 | -4.34% | Feb 1, 2018 | Apr 30, 2018 |
| Q4 2017 | -3.68 | -2.09 | -132% | Nov 1, 2017 | Jan 31, 2018 |
| Q3 2017 | -4.23 | +0.05 | +1.17% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | -0.94 | +12 | +92.7% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | 0.23 | +14.3 | Feb 1, 2017 | Apr 30, 2017 | |
| Q4 2016 | -1.58 | +10.9 | +87.4% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | -4.28 | +4.75 | +52.6% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | -12.9 | -12.2 | -1716% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | -14.1 | -15.1 | -1391% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | -12.5 | -14.3 | -788% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | -9.04 | -10.5 | -728% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | -0.71 | +0.05 | +6.56% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 1.09 | +2.74 | Feb 1, 2015 | Apr 30, 2015 | |
| Q4 2014 | 1.82 | +3.07 | Nov 1, 2014 | Jan 31, 2015 | |
| Q3 2014 | 1.44 | +1.53 | Aug 1, 2014 | Oct 31, 2014 | |
| Q2 2014 | -0.76 | -1.78 | -175% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | -1.66 | -5.39 | -144% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | -1.25 | -6.91 | -122% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | -0.09 | -5.95 | -102% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 1.02 | -4.5 | -81.6% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 3.73 | +0.41 | +12.4% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 5.65 | Nov 1, 2012 | Jan 31, 2013 | ||
| Q3 2012 | 5.86 | Aug 1, 2012 | Oct 31, 2012 | ||
| Q2 2012 | 5.52 | May 1, 2012 | Jul 31, 2012 | ||
| Q1 2012 | 3.32 | Feb 1, 2012 | Apr 30, 2012 |