| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 50 | -3.68 | -6.86% | Jul 31, 2024 |
| Q1 2024 | 49.7 | -7.05 | -12.4% | Apr 30, 2024 |
| Q4 2023 | 49.9 | -9.34 | -15.8% | Jan 31, 2024 |
| Q3 2023 | 51.5 | -9.22 | -15.2% | Oct 31, 2023 |
| Q2 2023 | 53.7 | -7.24 | -11.9% | Jul 31, 2023 |
| Q1 2023 | 56.8 | -4.31 | -7.06% | Apr 30, 2023 |
| Q4 2022 | 59.2 | -2.26 | -3.68% | Jan 31, 2023 |
| Q3 2022 | 60.7 | -2.78 | -4.38% | Oct 31, 2022 |
| Q2 2022 | 60.9 | -6.65 | -9.85% | Jul 31, 2022 |
| Q1 2022 | 61.1 | -10.9 | -15.1% | Apr 30, 2022 |
| Q4 2021 | 61.5 | -17.1 | -21.7% | Jan 31, 2022 |
| Q3 2021 | 63.5 | -12 | -15.8% | Oct 31, 2021 |
| Q2 2021 | 67.6 | -4.29 | -5.97% | Jul 31, 2021 |
| Q1 2021 | 72 | +3.08 | +4.47% | Apr 30, 2021 |
| Q4 2020 | 78.6 | +13.2 | +20.1% | Jan 31, 2021 |
| Q3 2020 | 75.4 | +11.9 | +18.8% | Oct 31, 2020 |
| Q2 2020 | 71.8 | +10.1 | +16.4% | Jul 31, 2020 |
| Q1 2020 | 68.9 | +15 | +27.7% | Apr 30, 2020 |
| Q4 2019 | 65.4 | +20.3 | +45.1% | Jan 31, 2020 |
| Q3 2019 | 63.5 | +22.3 | +54.1% | Oct 31, 2019 |
| Q2 2019 | 61.7 | +26.5 | +75.4% | Jul 31, 2019 |
| Q1 2019 | 54 | +19.5 | +56.4% | Apr 30, 2019 |
| Q4 2018 | 45.1 | +11.7 | +35.2% | Jan 31, 2019 |
| Q3 2018 | 41.2 | +10.1 | +32.5% | Oct 31, 2018 |
| Q2 2018 | 35.2 | +4.73 | +15.5% | Jul 31, 2018 |
| Q1 2018 | 34.5 | +4.62 | +15.5% | Apr 30, 2018 |
| Q4 2017 | 33.3 | +3.16 | +10.5% | Jan 31, 2018 |
| Q3 2017 | 31.1 | -0.18 | -0.58% | Oct 31, 2017 |
| Q2 2017 | 30.5 | -1.5 | -4.69% | Jul 31, 2017 |
| Q1 2017 | 29.9 | -2.7 | -8.29% | Apr 30, 2017 |
| Q4 2016 | 30.2 | -1.79 | -5.6% | Jan 31, 2017 |
| Q3 2016 | 31.3 | +2.52 | +8.76% | Oct 31, 2016 |
| Q2 2016 | 32 | +5.45 | +20.6% | Jul 31, 2016 |
| Q1 2016 | 32.6 | +8.13 | +33.3% | Apr 30, 2016 |
| Q4 2015 | 32 | +9 | +39.2% | Jan 31, 2016 |
| Q3 2015 | 28.8 | +4.84 | +20.2% | Oct 31, 2015 |
| Q2 2015 | 26.5 | +2 | +8.16% | Jul 31, 2015 |
| Q1 2015 | 24.4 | -0.12 | -0.49% | Apr 30, 2015 |
| Q4 2014 | 23 | -1.65 | -6.7% | Jan 31, 2015 |
| Q3 2014 | 23.9 | -0.55 | -2.25% | Oct 31, 2014 |
| Q2 2014 | 24.5 | -0.35 | -1.41% | Jul 31, 2014 |
| Q1 2014 | 24.6 | -0.54 | -2.15% | Apr 30, 2014 |
| Q4 2013 | 24.6 | -1.69 | -6.43% | Jan 31, 2014 |
| Q3 2013 | 24.5 | -3.15 | -11.4% | Oct 31, 2013 |
| Q2 2013 | 24.9 | -1.85 | -6.93% | Jul 31, 2013 |
| Q1 2013 | 25.1 | -0.99 | -3.79% | Apr 30, 2013 |
| Q4 2012 | 26.3 | +0.73 | +2.86% | Jan 31, 2013 |
| Q3 2012 | 27.6 | +3.18 | +13% | Oct 31, 2012 |
| Q2 2012 | 26.7 | +3.02 | +12.8% | Jul 31, 2012 |
| Q1 2012 | 26.1 | +0.89 | +3.53% | Apr 30, 2012 |
| Q4 2011 | 25.6 | Jan 31, 2012 | ||
| Q3 2011 | 24.5 | Oct 31, 2011 | ||
| Q2 2011 | 23.7 | Jul 31, 2011 | ||
| Q1 2011 | 25.2 | Apr 30, 2011 |