| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q2 2024 | -6.94 | -17.4 | -166% | May 1, 2024 | Jul 31, 2024 |
| Q1 2024 | -13.3 | -30.2 | -178% | Feb 1, 2024 | Apr 30, 2024 |
| Q4 2023 | -12.6 | -33.1 | -161% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | 5.99 | +4.8 | +403% | Aug 1, 2023 | Oct 31, 2023 |
| Q2 2023 | 10.4 | +11.8 | May 1, 2023 | Jul 31, 2023 | |
| Q1 2023 | 16.9 | +22.9 | Feb 1, 2023 | Apr 30, 2023 | |
| Q4 2022 | 20.5 | +26.7 | Nov 1, 2022 | Jan 31, 2023 | |
| Q3 2022 | 1.19 | +5.01 | Aug 1, 2022 | Oct 31, 2022 | |
| Q2 2022 | -1.32 | +4.47 | +77.1% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | -5.96 | +0.62 | +9.43% | Feb 1, 2022 | Apr 30, 2022 |
| Q4 2021 | -6.14 | +3.9 | +38.8% | Nov 1, 2021 | Jan 31, 2022 |
| Q3 2021 | -3.81 | +7.74 | +67% | Aug 1, 2021 | Oct 31, 2021 |
| Q2 2021 | -5.79 | +1.85 | +24.2% | May 1, 2021 | Jul 31, 2021 |
| Q1 2021 | -6.58 | +1.01 | +13.3% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | -10 | -3.63 | -56.6% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | -11.6 | -8.33 | -259% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | -7.64 | +0.03 | +0.39% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | -7.59 | -6.01 | -382% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | -6.41 | -12.3 | -209% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | -3.22 | -10.6 | -144% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | -7.68 | -19 | -168% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | -1.57 | -14.2 | -112% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | 5.87 | -4.84 | -45.2% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 7.33 | -2.45 | -25.1% | Aug 1, 2018 | Oct 31, 2018 |
| Q2 2018 | 11.3 | -0.89 | -7.29% | May 1, 2018 | Jul 31, 2018 |
| Q1 2018 | 12.6 | -0.47 | -3.59% | Feb 1, 2018 | Apr 30, 2018 |
| Q4 2017 | 10.7 | +0.02 | +0.19% | Nov 1, 2017 | Jan 31, 2018 |
| Q3 2017 | 9.78 | +1.56 | +19% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | 12.2 | +7.33 | +150% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | 13.1 | +14.3 | Feb 1, 2017 | Apr 30, 2017 | |
| Q4 2016 | 10.7 | +9.9 | +1257% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | 8.22 | +3.65 | +79.9% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | 4.88 | +0.06 | +1.24% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | -1.2 | -10.8 | -113% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | 0.79 | -8.27 | -91.3% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | 4.57 | -4.99 | -52.2% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | 4.82 | -7.8 | -61.8% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 9.61 | -0.28 | -2.83% | Feb 1, 2015 | Apr 30, 2015 |
| Q4 2014 | 9.06 | -0.08 | -0.88% | Nov 1, 2014 | Jan 31, 2015 |
| Q3 2014 | 9.56 | +3.2 | +50.3% | Aug 1, 2014 | Oct 31, 2014 |
| Q2 2014 | 12.6 | +3.87 | +44.2% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | 9.89 | +3.38 | +51.9% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | 9.14 | +3.71 | +68.3% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | 6.36 | -0.56 | -8.09% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 8.75 | +0.77 | +9.65% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 6.51 | -0.91 | -12.3% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 5.43 | +2.25 | +70.8% | Nov 1, 2012 | Jan 31, 2013 |
| Q3 2012 | 6.92 | +5 | +260% | Aug 1, 2012 | Oct 31, 2012 |
| Q2 2012 | 7.98 | May 1, 2012 | Jul 31, 2012 | ||
| Q1 2012 | 7.42 | Feb 1, 2012 | Apr 30, 2012 | ||
| Q4 2011 | 3.18 | Nov 1, 2011 | Jan 31, 2012 | ||
| Q3 2011 | 1.92 | Aug 1, 2011 | Oct 31, 2011 |