| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 77.9 | -5.16 | -6.22% | Feb 29, 2024 |
| Q4 2023 | 84.1 | +0.6 | +0.72% | Nov 30, 2023 |
| Q3 2023 | 85.1 | +1.15 | +1.37% | Aug 31, 2023 |
| Q2 2023 | 81.7 | -3.84 | -4.49% | May 31, 2023 |
| Q1 2023 | 83 | -7.9 | -8.69% | Feb 28, 2023 |
| Q4 2022 | 83.5 | -7.47 | -8.21% | Nov 30, 2022 |
| Q3 2022 | 83.9 | -11.6 | -12.1% | Aug 31, 2022 |
| Q2 2022 | 85.5 | -17.8 | -17.2% | May 31, 2022 |
| Q1 2022 | 90.9 | -21.8 | -19.4% | Feb 28, 2022 |
| Q4 2021 | 91 | -25.9 | -22.1% | Nov 30, 2021 |
| Q3 2021 | 95.5 | -15.1 | -13.6% | Aug 31, 2021 |
| Q2 2021 | 103 | +0.44 | +0.43% | May 31, 2021 |
| Q1 2021 | 113 | +28.6 | +33.9% | Feb 28, 2021 |
| Q4 2020 | 117 | +35.4 | +43.5% | Nov 30, 2020 |
| Q3 2020 | 111 | +26.3 | +31.2% | Aug 31, 2020 |
| Q2 2020 | 103 | +16.1 | +18.5% | May 31, 2020 |
| Q1 2020 | 84.2 | -8.98 | -9.64% | Feb 29, 2020 |
| Q4 2019 | 81.4 | -13.3 | -14% | Nov 30, 2019 |
| Q3 2019 | 84.3 | -7.64 | -8.31% | Aug 31, 2019 |
| Q2 2019 | 86.8 | -0.28 | -0.32% | May 31, 2019 |
| Q1 2019 | 93.2 | +4.93 | +5.59% | Feb 28, 2019 |
| Q4 2018 | 94.7 | +4.64 | +5.15% | Nov 30, 2018 |
| Q3 2018 | 91.9 | -2.63 | -2.78% | Aug 31, 2018 |
| Q2 2018 | 87.1 | -8.19 | -8.59% | May 31, 2018 |
| Q1 2018 | 88.3 | -9.37 | -9.6% | Feb 28, 2018 |
| Q4 2017 | 90.1 | -6.5 | -6.73% | Nov 30, 2017 |
| Q3 2017 | 94.5 | -4.03 | -4.09% | Aug 31, 2017 |
| Q2 2017 | 95.3 | -11.6 | -10.8% | May 31, 2017 |
| Q1 2017 | 97.6 | -16.9 | -14.8% | Feb 28, 2017 |
| Q4 2016 | 96.6 | -20.2 | -17.3% | Nov 30, 2016 |
| Q3 2016 | 98.6 | -21.6 | -18% | Aug 31, 2016 |
| Q2 2016 | 107 | -10.8 | -9.16% | May 31, 2016 |
| Q1 2016 | 115 | +1.8 | +1.6% | Feb 29, 2016 |
| Q4 2015 | 117 | +9.65 | +9.01% | Nov 30, 2015 |
| Q3 2015 | 120 | +23.8 | +24.7% | Aug 31, 2015 |
| Q2 2015 | 118 | +29.6 | +33.6% | May 31, 2015 |
| Q1 2015 | 113 | +26.2 | +30.2% | Feb 28, 2015 |
| Q4 2014 | 107 | +20.6 | +23.8% | Nov 30, 2014 |
| Q3 2014 | 96.4 | +6.14 | +6.81% | Aug 31, 2014 |
| Q2 2014 | 88.1 | -12.1 | -12.1% | May 31, 2014 |
| Q1 2014 | 86.6 | -17.8 | -17.1% | Feb 28, 2014 |
| Q4 2013 | 86.5 | -20.6 | -19.3% | Nov 30, 2013 |
| Q3 2013 | 90.2 | -19 | -17.4% | Aug 31, 2013 |
| Q2 2013 | 100 | -6.91 | -6.46% | May 31, 2013 |
| Q1 2013 | 104 | -5.19 | -4.74% | Feb 28, 2013 |
| Q4 2012 | 107 | Nov 30, 2012 | ||
| Q3 2012 | 109 | Aug 31, 2012 | ||
| Q2 2012 | 107 | May 31, 2012 | ||
| Q1 2012 | 110 | Feb 29, 2012 |