| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 45.4 | +2.82 | +6.63% | Apr 30, 2024 |
| Q4 2023 | 44.3 | +0.9 | +2.08% | Jan 31, 2024 |
| Q3 2023 | 43.7 | +0.24 | +0.55% | Oct 31, 2023 |
| Q2 2023 | 43.3 | -0.35 | -0.8% | Jul 31, 2023 |
| Q1 2023 | 42.6 | -1.86 | -4.19% | Apr 30, 2023 |
| Q4 2022 | 43.4 | -1.72 | -3.81% | Jan 31, 2023 |
| Q3 2022 | 43.4 | -2.08 | -4.57% | Oct 31, 2022 |
| Q2 2022 | 43.7 | -2.23 | -4.86% | Jul 31, 2022 |
| Q1 2022 | 44.4 | -1.28 | -2.8% | Apr 30, 2022 |
| Q4 2021 | 45.1 | +8.76 | +24.1% | Jan 31, 2022 |
| Q3 2021 | 45.5 | +15.2 | +50.4% | Oct 31, 2021 |
| Q2 2021 | 45.9 | +19.2 | +72.1% | Jul 31, 2021 |
| Q1 2021 | 45.7 | +18.4 | +67.5% | Apr 30, 2021 |
| Q4 2020 | 36.3 | +4.1 | +12.7% | Jan 31, 2021 |
| Q3 2020 | 30.3 | -9.13 | -23.2% | Oct 31, 2020 |
| Q2 2020 | 26.7 | -23.6 | -47% | Jul 31, 2020 |
| Q1 2020 | 27.3 | -23.7 | -46.5% | Apr 30, 2020 |
| Q4 2019 | 32.2 | -19.3 | -37.5% | Jan 31, 2020 |
| Q3 2019 | 39.4 | -12.5 | -24.1% | Oct 31, 2019 |
| Q2 2019 | 50.3 | -0.82 | -1.61% | Jul 31, 2019 |
| Q1 2019 | 51 | -0.35 | -0.68% | Apr 30, 2019 |
| Q4 2018 | 51.6 | +0.14 | +0.27% | Jan 31, 2019 |
| Q3 2018 | 51.9 | +0.89 | +1.75% | Oct 31, 2018 |
| Q2 2018 | 51.1 | -0.35 | -0.68% | Jul 31, 2018 |
| Q1 2018 | 51.4 | +0.47 | +0.92% | Apr 30, 2018 |
| Q4 2017 | 51.4 | -0.95 | -1.81% | Jan 31, 2018 |
| Q3 2017 | 51 | -1.02 | -1.96% | Oct 31, 2017 |
| Q2 2017 | 51.5 | +0.09 | +0.18% | Jul 31, 2017 |
| Q1 2017 | 50.9 | -2.13 | -4.02% | Apr 30, 2017 |
| Q4 2016 | 52.4 | -0.93 | -1.74% | Jan 31, 2017 |
| Q3 2016 | 52 | -1.11 | -2.09% | Oct 31, 2016 |
| Q2 2016 | 51.4 | -1.42 | -2.69% | Jul 31, 2016 |
| Q1 2016 | 53 | +1.25 | +2.41% | Apr 30, 2016 |
| Q4 2015 | 53.3 | +1.93 | +3.76% | Jan 31, 2016 |
| Q3 2015 | 53.1 | +0.08 | +0.15% | Oct 31, 2015 |
| Q2 2015 | 52.8 | -2.31 | -4.19% | Jul 31, 2015 |
| Q1 2015 | 51.8 | -3.47 | -6.28% | Apr 30, 2015 |
| Q4 2014 | 51.4 | -1.99 | -3.73% | Jan 31, 2015 |
| Q3 2014 | 53 | +1.68 | +3.27% | Oct 31, 2014 |
| Q2 2014 | 55.1 | +4.2 | +8.25% | Jul 31, 2014 |
| Q1 2014 | 55.2 | +3.94 | +7.68% | Apr 30, 2014 |
| Q4 2013 | 53.4 | -0.64 | -1.19% | Jan 31, 2014 |
| Q3 2013 | 51.4 | -4.48 | -8.02% | Oct 31, 2013 |
| Q2 2013 | 50.9 | -4.62 | -8.32% | Jul 31, 2013 |
| Q1 2013 | 51.3 | -2.45 | -4.56% | Apr 30, 2013 |
| Q4 2012 | 54 | +0.68 | +1.28% | Jan 31, 2013 |
| Q3 2012 | 55.8 | +3.73 | +7.16% | Oct 31, 2012 |
| Q2 2012 | 55.5 | +5.35 | +10.7% | Jul 31, 2012 |
| Q1 2012 | 53.8 | +5.62 | +11.7% | Apr 30, 2012 |
| Q4 2011 | 53.3 | +5.99 | +12.7% | Jan 31, 2012 |
| Q3 2011 | 52.1 | Oct 31, 2011 | ||
| Q2 2011 | 50.2 | Jul 31, 2011 | ||
| Q1 2011 | 48.1 | Apr 30, 2011 | ||
| Q4 2010 | 47.4 | Jan 31, 2011 |