| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q2 2024 | 4.46 | -2.11 | -32.1% | May 1, 2024 | Jul 31, 2024 |
| Q1 2024 | 5.47 | -1.04 | -16% | Feb 1, 2024 | Apr 30, 2024 |
| Q4 2023 | 6.12 | -0.14 | -2.24% | Nov 1, 2023 | Jan 31, 2024 |
| Q3 2023 | 6.16 | -0.53 | -7.92% | Aug 1, 2023 | Oct 31, 2023 |
| Q2 2023 | 6.57 | +0.44 | +7.18% | May 1, 2023 | Jul 31, 2023 |
| Q1 2023 | 6.52 | +0.95 | +17.1% | Feb 1, 2023 | Apr 30, 2023 |
| Q4 2022 | 6.26 | +0.99 | +18.8% | Nov 1, 2022 | Jan 31, 2023 |
| Q3 2022 | 6.69 | +2.59 | +63.2% | Aug 1, 2022 | Oct 31, 2022 |
| Q2 2022 | 6.13 | +2.66 | +76.8% | May 1, 2022 | Jul 31, 2022 |
| Q1 2022 | 5.57 | +2.39 | +75.2% | Feb 1, 2022 | Apr 30, 2022 |
| Q4 2021 | 5.27 | +2.62 | +98.8% | Nov 1, 2021 | Jan 31, 2022 |
| Q3 2021 | 4.1 | +1.99 | +94.1% | Aug 1, 2021 | Oct 31, 2021 |
| Q2 2021 | 3.47 | +1.53 | +78.9% | May 1, 2021 | Jul 31, 2021 |
| Q1 2021 | 3.18 | +1.29 | +68.3% | Feb 1, 2021 | Apr 30, 2021 |
| Q4 2020 | 2.65 | +1.02 | +62.4% | Nov 1, 2020 | Jan 31, 2021 |
| Q3 2020 | 2.12 | +0.29 | +15.9% | Aug 1, 2020 | Oct 31, 2020 |
| Q2 2020 | 1.94 | -0.08 | -3.97% | May 1, 2020 | Jul 31, 2020 |
| Q1 2020 | 1.89 | -0.26 | -12.1% | Feb 1, 2020 | Apr 30, 2020 |
| Q4 2019 | 1.63 | -0.54 | -24.8% | Nov 1, 2019 | Jan 31, 2020 |
| Q3 2019 | 1.82 | -0.48 | -20.9% | Aug 1, 2019 | Oct 31, 2019 |
| Q2 2019 | 2.02 | +0.28 | +16.2% | May 1, 2019 | Jul 31, 2019 |
| Q1 2019 | 2.15 | +1.54 | +254% | Feb 1, 2019 | Apr 30, 2019 |
| Q4 2018 | 2.18 | +2.1 | +2731% | Nov 1, 2018 | Jan 31, 2019 |
| Q3 2018 | 2.3 | +2.96 | Aug 1, 2018 | Oct 31, 2018 | |
| Q2 2018 | 1.73 | +2.69 | May 1, 2018 | Jul 31, 2018 | |
| Q1 2018 | 0.61 | +1.16 | Feb 1, 2018 | Apr 30, 2018 | |
| Q4 2017 | 0.08 | +0.27 | Nov 1, 2017 | Jan 31, 2018 | |
| Q3 2017 | -0.66 | +2.59 | +79.6% | Aug 1, 2017 | Oct 31, 2017 |
| Q2 2017 | -0.95 | +1.57 | +62.2% | May 1, 2017 | Jul 31, 2017 |
| Q1 2017 | -0.55 | +1.45 | +72.4% | Feb 1, 2017 | Apr 30, 2017 |
| Q4 2016 | -0.2 | +1.49 | +88.2% | Nov 1, 2016 | Jan 31, 2017 |
| Q3 2016 | -3.25 | -2.85 | -717% | Aug 1, 2016 | Oct 31, 2016 |
| Q2 2016 | -2.52 | -2.26 | -847% | May 1, 2016 | Jul 31, 2016 |
| Q1 2016 | -2 | -2.03 | -7873% | Feb 1, 2016 | Apr 30, 2016 |
| Q4 2015 | -1.69 | -1.73 | -4547% | Nov 1, 2015 | Jan 31, 2016 |
| Q3 2015 | -0.4 | -2.23 | -122% | Aug 1, 2015 | Oct 31, 2015 |
| Q2 2015 | -0.27 | -2.17 | -114% | May 1, 2015 | Jul 31, 2015 |
| Q1 2015 | 0.03 | -1.92 | -98.5% | Feb 1, 2015 | Apr 30, 2015 |
| Q4 2014 | 0.04 | -2.07 | -98.3% | Nov 1, 2014 | Jan 31, 2015 |
| Q3 2014 | 1.83 | -1.18 | -39.2% | Aug 1, 2014 | Oct 31, 2014 |
| Q2 2014 | 1.9 | -1.61 | -45.8% | May 1, 2014 | Jul 31, 2014 |
| Q1 2014 | 1.95 | -1.71 | -46.7% | Feb 1, 2014 | Apr 30, 2014 |
| Q4 2013 | 2.11 | -2.07 | -49.6% | Nov 1, 2013 | Jan 31, 2014 |
| Q3 2013 | 3.01 | -1.54 | -33.8% | Aug 1, 2013 | Oct 31, 2013 |
| Q2 2013 | 3.52 | -1.09 | -23.6% | May 1, 2013 | Jul 31, 2013 |
| Q1 2013 | 3.66 | -1.09 | -22.9% | Feb 1, 2013 | Apr 30, 2013 |
| Q4 2012 | 4.18 | -0.74 | -15% | Nov 1, 2012 | Jan 31, 2013 |
| Q3 2012 | 4.55 | Aug 1, 2012 | Oct 31, 2012 | ||
| Q2 2012 | 4.61 | May 1, 2012 | Jul 31, 2012 | ||
| Q1 2012 | 4.75 | Feb 1, 2012 | Apr 30, 2012 | ||
| Q4 2011 | 4.92 | Nov 1, 2011 | Jan 31, 2012 |