| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 73.7 | -5.26 | -6.67% | May 31, 2024 |
| Q1 2024 | 73.8 | -6.17 | -7.71% | Feb 29, 2024 |
| Q4 2023 | 75.3 | -6.5 | -7.95% | Nov 30, 2023 |
| Q3 2023 | 77.4 | -4.62 | -5.63% | Aug 31, 2023 |
| Q2 2023 | 78.9 | -1.48 | -1.84% | May 31, 2023 |
| Q1 2023 | 80 | +1.83 | +2.34% | Feb 28, 2023 |
| Q4 2022 | 81.8 | +7.66 | +10.3% | Nov 30, 2022 |
| Q3 2022 | 82 | +12.7 | +18.4% | Aug 31, 2022 |
| Q2 2022 | 80.4 | +16.1 | +24.9% | May 31, 2022 |
| Q1 2022 | 78.2 | +17.3 | +28.5% | Feb 28, 2022 |
| Q4 2021 | 74.2 | +11.7 | +18.8% | Nov 30, 2021 |
| Q3 2021 | 69.3 | +3.28 | +4.97% | Aug 31, 2021 |
| Q2 2021 | 64.4 | -8.79 | -12% | May 31, 2021 |
| Q1 2021 | 60.8 | -20.2 | -24.9% | Feb 28, 2021 |
| Q4 2020 | 62.4 | -20.8 | -24.9% | Nov 30, 2020 |
| Q3 2020 | 66 | -19.8 | -23% | Aug 31, 2020 |
| Q2 2020 | 73.1 | -15.2 | -17.2% | May 31, 2020 |
| Q1 2020 | 81 | -8.1 | -9.09% | Feb 29, 2020 |
| Q4 2019 | 83.2 | -6.75 | -7.51% | Nov 30, 2019 |
| Q3 2019 | 85.8 | -4.71 | -5.21% | Aug 31, 2019 |
| Q2 2019 | 88.3 | -0.61 | -0.69% | May 31, 2019 |
| Q1 2019 | 89.1 | +0.79 | +0.89% | Feb 28, 2019 |
| Q4 2018 | 89.9 | +3.4 | +3.93% | Nov 30, 2018 |
| Q3 2018 | 90.5 | +6.1 | +7.23% | Aug 31, 2018 |
| Q2 2018 | 88.9 | +6.78 | +8.25% | May 31, 2018 |
| Q1 2018 | 88.3 | +8.8 | +11.1% | Feb 28, 2018 |
| Q4 2017 | 86.5 | +7.58 | +9.6% | Nov 30, 2017 |
| Q3 2017 | 84.4 | +4.93 | +6.21% | Aug 31, 2017 |
| Q2 2017 | 82.2 | +2.09 | +2.61% | May 31, 2017 |
| Q1 2017 | 79.5 | -1.11 | -1.38% | Feb 28, 2017 |
| Q4 2016 | 78.9 | -3.19 | -3.88% | Nov 30, 2016 |
| Q3 2016 | 79.4 | -1.7 | -2.1% | Aug 31, 2016 |
| Q2 2016 | 80.1 | -0.35 | -0.44% | May 31, 2016 |
| Q1 2016 | 80.6 | -1.35 | -1.65% | Feb 29, 2016 |
| Q4 2015 | 82.1 | +0.66 | +0.81% | Nov 30, 2015 |
| Q3 2015 | 81.1 | -2.42 | -2.9% | Aug 31, 2015 |
| Q2 2015 | 80.4 | -4.09 | -4.84% | May 31, 2015 |
| Q1 2015 | 82 | -4.25 | -4.93% | Feb 28, 2015 |
| Q4 2014 | 81.5 | -4.56 | -5.3% | Nov 30, 2014 |
| Q3 2014 | 83.6 | -0.5 | -0.6% | Aug 31, 2014 |
| Q2 2014 | 84.5 | -1.24 | -1.45% | May 31, 2014 |
| Q1 2014 | 86.2 | +2.93 | +3.52% | Feb 28, 2014 |
| Q4 2013 | 86 | +3.44 | +4.17% | Nov 30, 2013 |
| Q3 2013 | 84.1 | -0.18 | -0.21% | Aug 31, 2013 |
| Q2 2013 | 85.8 | +2.52 | +3.03% | May 31, 2013 |
| Q1 2013 | 83.3 | -1.51 | -1.78% | Feb 28, 2013 |
| Q4 2012 | 82.6 | Nov 30, 2012 | ||
| Q3 2012 | 84.2 | Aug 31, 2012 | ||
| Q2 2012 | 83.2 | May 31, 2012 | ||
| Q1 2012 | 84.8 | Feb 29, 2012 |