| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 67.2 | -8.02 | -10.7% | May 31, 2024 |
| Q1 2024 | 70.4 | -2.84 | -3.88% | Feb 29, 2024 |
| Q4 2023 | 71.6 | -1.68 | -2.29% | Nov 30, 2023 |
| Q3 2023 | 72.8 | -0.2 | -0.27% | Aug 31, 2023 |
| Q2 2023 | 75.2 | +4.41 | +6.23% | May 31, 2023 |
| Q1 2023 | 73.2 | +0.17 | +0.23% | Feb 28, 2023 |
| Q4 2022 | 73.3 | -1.5 | -2.01% | Nov 30, 2022 |
| Q3 2022 | 73 | -1.98 | -2.64% | Aug 31, 2022 |
| Q2 2022 | 70.8 | -9.24 | -11.5% | May 31, 2022 |
| Q1 2022 | 73 | -9.29 | -11.3% | Feb 28, 2022 |
| Q4 2021 | 74.8 | -5.94 | -7.36% | Nov 30, 2021 |
| Q3 2021 | 74.9 | -8.16 | -9.82% | Aug 31, 2021 |
| Q2 2021 | 80.1 | -0.04 | -0.05% | May 31, 2021 |
| Q1 2021 | 82.3 | +6.71 | +8.88% | Feb 28, 2021 |
| Q4 2020 | 80.7 | +3.97 | +5.18% | Nov 30, 2020 |
| Q3 2020 | 83.1 | +5.77 | +7.46% | Aug 31, 2020 |
| Q2 2020 | 80.1 | +2.51 | +3.24% | May 31, 2020 |
| Q1 2020 | 75.6 | -3.34 | -4.23% | Feb 29, 2020 |
| Q4 2019 | 76.7 | -4.13 | -5.11% | Nov 30, 2019 |
| Q3 2019 | 77.3 | -5.93 | -7.12% | Aug 31, 2019 |
| Q2 2019 | 77.6 | -9.3 | -10.7% | May 31, 2019 |
| Q1 2019 | 78.9 | -6.61 | -7.73% | Feb 28, 2019 |
| Q4 2018 | 80.9 | -3.22 | -3.83% | Nov 30, 2018 |
| Q3 2018 | 83.3 | -4.48 | -5.11% | Aug 31, 2018 |
| Q2 2018 | 86.9 | -2.8 | -3.12% | May 31, 2018 |
| Q1 2018 | 85.6 | -11.1 | -11.5% | Feb 28, 2018 |
| Q4 2017 | 84.1 | -22.4 | -21% | Nov 30, 2017 |
| Q3 2017 | 87.7 | -21.4 | -19.6% | Aug 31, 2017 |
| Q2 2017 | 89.7 | -17.1 | -16% | May 31, 2017 |
| Q1 2017 | 96.7 | -8.77 | -8.32% | Feb 28, 2017 |
| Q4 2016 | 106 | +2.72 | +2.62% | Nov 30, 2016 |
| Q3 2016 | 109 | +1.85 | +1.73% | Aug 31, 2016 |
| Q2 2016 | 107 | -8.55 | -7.41% | May 31, 2016 |
| Q1 2016 | 105 | -17.9 | -14.5% | Feb 29, 2016 |
| Q4 2015 | 104 | -26.6 | -20.4% | Nov 30, 2015 |
| Q3 2015 | 107 | -23.8 | -18.1% | Aug 31, 2015 |
| Q2 2015 | 115 | -15.5 | -11.8% | May 31, 2015 |
| Q1 2015 | 123 | +1.66 | +1.37% | Feb 28, 2015 |
| Q4 2014 | 130 | +14.3 | +12.3% | Nov 30, 2014 |
| Q3 2014 | 131 | +20.1 | +18.1% | Aug 31, 2014 |
| Q2 2014 | 131 | +19.5 | +17.5% | May 31, 2014 |
| Q1 2014 | 122 | +2.71 | +2.28% | Feb 28, 2014 |
| Q4 2013 | 116 | -7.2 | -5.85% | Nov 30, 2013 |
| Q3 2013 | 111 | -16.9 | -13.2% | Aug 31, 2013 |
| Q2 2013 | 111 | -24.6 | -18.1% | May 31, 2013 |
| Q1 2013 | 119 | -16.5 | -12.2% | Feb 28, 2013 |
| Q4 2012 | 123 | -13.2 | -9.7% | Nov 30, 2012 |
| Q3 2012 | 128 | -8.82 | -6.45% | Aug 31, 2012 |
| Q2 2012 | 136 | +12.1 | +9.81% | May 31, 2012 |
| Q1 2012 | 135 | +11.8 | +9.53% | Feb 29, 2012 |
| Q4 2011 | 136 | +12.7 | +10.3% | Nov 30, 2011 |
| Q3 2011 | 137 | Aug 31, 2011 | ||
| Q2 2011 | 124 | May 31, 2011 | ||
| Q1 2011 | 124 | Feb 28, 2011 | ||
| Q4 2010 | 124 | Nov 30, 2010 |