| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 38.5 | -5.93 | -13.4% | Apr 30, 2024 |
| Q4 2023 | 38.2 | -8.45 | -18.1% | Jan 31, 2024 |
| Q3 2023 | 39.9 | -7.28 | -15.4% | Oct 31, 2023 |
| Q2 2023 | 42 | -4.66 | -9.98% | Jul 31, 2023 |
| Q1 2023 | 44.4 | -0.54 | -1.2% | Apr 30, 2023 |
| Q4 2022 | 46.7 | +5.33 | +12.9% | Jan 31, 2023 |
| Q3 2022 | 47.1 | +8.72 | +22.7% | Oct 31, 2022 |
| Q2 2022 | 46.7 | +11.5 | +32.6% | Jul 31, 2022 |
| Q1 2022 | 45 | +11.5 | +34.4% | Apr 30, 2022 |
| Q4 2021 | 41.4 | +6.28 | +17.9% | Jan 31, 2022 |
| Q3 2021 | 38.4 | +2.3 | +6.37% | Oct 31, 2021 |
| Q2 2021 | 35.2 | -2.72 | -7.18% | Jul 31, 2021 |
| Q1 2021 | 33.5 | -5.88 | -15% | Apr 30, 2021 |
| Q4 2020 | 35.1 | -3.35 | -8.72% | Jan 31, 2021 |
| Q3 2020 | 36.1 | -2.36 | -6.14% | Oct 31, 2020 |
| Q2 2020 | 37.9 | -0.09 | -0.24% | Jul 31, 2020 |
| Q1 2020 | 39.3 | +1.38 | +3.64% | Apr 30, 2020 |
| Q4 2019 | 38.4 | -0.9 | -2.29% | Jan 31, 2020 |
| Q3 2019 | 38.5 | -2.59 | -6.31% | Oct 31, 2019 |
| Q2 2019 | 38 | -5.44 | -12.5% | Jul 31, 2019 |
| Q1 2019 | 38 | -7.07 | -15.7% | Apr 30, 2019 |
| Q4 2018 | 39.3 | -8.61 | -18% | Jan 31, 2019 |
| Q3 2018 | 41.1 | -11 | -21.2% | Oct 31, 2018 |
| Q2 2018 | 43.4 | -14.1 | -24.5% | Jul 31, 2018 |
| Q1 2018 | 45 | -18.3 | -28.9% | Apr 30, 2018 |
| Q4 2017 | 47.9 | -22 | -31.4% | Jan 31, 2018 |
| Q3 2017 | 52.1 | -24.2 | -31.7% | Oct 31, 2017 |
| Q2 2017 | 57.5 | -21.8 | -27.4% | Jul 31, 2017 |
| Q1 2017 | 63.3 | -18 | -22.2% | Apr 30, 2017 |
| Q4 2016 | 69.9 | -10.4 | -12.9% | Jan 31, 2017 |
| Q3 2016 | 76.3 | -2.17 | -2.77% | Oct 31, 2016 |
| Q2 2016 | 79.3 | +1.64 | +2.11% | Jul 31, 2016 |
| Q1 2016 | 81.4 | +6.18 | +8.22% | Apr 30, 2016 |
| Q4 2015 | 80.3 | +7.09 | +9.69% | Jan 31, 2016 |
| Q3 2015 | 78.4 | +7.62 | +10.8% | Oct 31, 2015 |
| Q2 2015 | 77.7 | +8.48 | +12.3% | Jul 31, 2015 |
| Q1 2015 | 75.2 | +5.42 | +7.77% | Apr 30, 2015 |
| Q4 2014 | 73.2 | +5.06 | +7.43% | Jan 31, 2015 |
| Q3 2014 | 70.8 | +1.23 | +1.77% | Oct 31, 2014 |
| Q2 2014 | 69.2 | +2.9 | +4.38% | Jul 31, 2014 |
| Q1 2014 | 69.8 | +6.57 | +10.4% | Apr 30, 2014 |
| Q4 2013 | 68.1 | +6.35 | +10.3% | Jan 31, 2014 |
| Q3 2013 | 69.6 | +10.3 | +17.4% | Oct 31, 2013 |
| Q2 2013 | 66.3 | +6.86 | +11.5% | Jul 31, 2013 |
| Q1 2013 | 63.2 | +3.31 | +5.53% | Apr 30, 2013 |
| Q4 2012 | 61.8 | +0.12 | +0.2% | Jan 31, 2013 |
| Q3 2012 | 59.3 | -4.11 | -6.49% | Oct 31, 2012 |
| Q2 2012 | 59.4 | -6.77 | -10.2% | Jul 31, 2012 |
| Q1 2012 | 59.9 | -9.51 | -13.7% | Apr 30, 2012 |
| Q4 2011 | 61.7 | Jan 31, 2012 | ||
| Q3 2011 | 63.4 | Oct 31, 2011 | ||
| Q2 2011 | 66.2 | Jul 31, 2011 | ||
| Q1 2011 | 69.4 | Apr 30, 2011 |