| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 52.8 | -25.2 | -32.3% | Apr 30, 2024 |
| Q4 2023 | 53.4 | -30.7 | -36.5% | Jan 31, 2024 |
| Q3 2023 | 61.4 | -19.8 | -24.4% | Oct 31, 2023 |
| Q2 2023 | 71 | -7.89 | -10% | Jul 31, 2023 |
| Q1 2023 | 78 | +3.21 | +4.29% | Apr 30, 2023 |
| Q4 2022 | 84 | +13.7 | +19.5% | Jan 31, 2023 |
| Q3 2022 | 81.2 | +12.5 | +18.1% | Oct 31, 2022 |
| Q2 2022 | 78.9 | +10.4 | +15.1% | Jul 31, 2022 |
| Q1 2022 | 74.8 | +2.27 | +3.13% | Apr 30, 2022 |
| Q4 2021 | 70.3 | -6.27 | -8.19% | Jan 31, 2022 |
| Q3 2021 | 68.7 | -8.05 | -10.5% | Oct 31, 2021 |
| Q2 2021 | 68.5 | -5.34 | -7.23% | Jul 31, 2021 |
| Q1 2021 | 72.6 | +1.04 | +1.45% | Apr 30, 2021 |
| Q4 2020 | 76.6 | +4.88 | +6.81% | Jan 31, 2021 |
| Q3 2020 | 76.8 | +4.1 | +5.64% | Oct 31, 2020 |
| Q2 2020 | 73.9 | -0.38 | -0.51% | Jul 31, 2020 |
| Q1 2020 | 71.5 | -3.35 | -4.48% | Apr 30, 2020 |
| Q4 2019 | 71.7 | -4.33 | -5.7% | Jan 31, 2020 |
| Q3 2019 | 72.7 | -4.66 | -6.03% | Oct 31, 2019 |
| Q2 2019 | 74.3 | -3.94 | -5.04% | Jul 31, 2019 |
| Q1 2019 | 74.9 | -0.33 | -0.44% | Apr 30, 2019 |
| Q4 2018 | 76 | +14.1 | +22.8% | Jan 31, 2019 |
| Q3 2018 | 77.3 | +24.5 | +46.3% | Oct 31, 2018 |
| Q2 2018 | 78.2 | +31.8 | +68.5% | Jul 31, 2018 |
| Q1 2018 | 75.2 | +32.4 | +75.9% | Apr 30, 2018 |
| Q4 2017 | 61.9 | +16.8 | +37.2% | Jan 31, 2018 |
| Q3 2017 | 52.8 | +6.52 | +14.1% | Oct 31, 2017 |
| Q2 2017 | 46.4 | -1.09 | -2.29% | Jul 31, 2017 |
| Q1 2017 | 42.8 | -5.77 | -11.9% | Apr 30, 2017 |
| Q4 2016 | 45.1 | -1.65 | -3.53% | Jan 31, 2017 |
| Q3 2016 | 46.3 | +1.74 | +3.9% | Oct 31, 2016 |
| Q2 2016 | 47.5 | +4.3 | +9.95% | Jul 31, 2016 |
| Q1 2016 | 48.5 | +6.58 | +15.7% | Apr 30, 2016 |
| Q4 2015 | 46.8 | +2.9 | +6.61% | Jan 31, 2016 |
| Q3 2015 | 44.6 | -2.45 | -5.21% | Oct 31, 2015 |
| Q2 2015 | 43.2 | -6.16 | -12.5% | Jul 31, 2015 |
| Q1 2015 | 41.9 | -9.94 | -19.2% | Apr 30, 2015 |
| Q4 2014 | 43.9 | -7.33 | -14.3% | Jan 31, 2015 |
| Q3 2014 | 47 | -4.79 | -9.24% | Oct 31, 2014 |
| Q2 2014 | 49.4 | -4.8 | -8.86% | Jul 31, 2014 |
| Q1 2014 | 51.9 | -2.78 | -5.09% | Apr 30, 2014 |
| Q4 2013 | 51.2 | -4.28 | -7.72% | Jan 31, 2014 |
| Q3 2013 | 51.8 | -4.78 | -8.45% | Oct 31, 2013 |
| Q2 2013 | 54.2 | +0.31 | +0.58% | Jul 31, 2013 |
| Q1 2013 | 54.7 | -0.04 | -0.07% | Apr 30, 2013 |
| Q4 2012 | 55.5 | +1.65 | +3.07% | Jan 31, 2013 |
| Q3 2012 | 56.6 | +3.62 | +6.83% | Oct 31, 2012 |
| Q2 2012 | 53.9 | -0.88 | -1.61% | Jul 31, 2012 |
| Q1 2012 | 54.7 | +0.5 | +0.92% | Apr 30, 2012 |
| Q4 2011 | 53.8 | Jan 31, 2012 | ||
| Q3 2011 | 53 | Oct 31, 2011 | ||
| Q2 2011 | 54.7 | Jul 31, 2011 | ||
| Q1 2011 | 54.2 | Apr 30, 2011 |