| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 82.2 | -1.21 | -1.45% | Jul 31, 2024 |
| Q1 2024 | 82.8 | -1.03 | -1.23% | Apr 30, 2024 |
| Q4 2023 | 83.3 | -1.54 | -1.82% | Jan 31, 2024 |
| Q3 2023 | 83 | -4.28 | -4.91% | Oct 31, 2023 |
| Q2 2023 | 83.4 | -5.83 | -6.53% | Jul 31, 2023 |
| Q1 2023 | 83.8 | -8.49 | -9.2% | Apr 30, 2023 |
| Q4 2022 | 84.8 | -9.84 | -10.4% | Jan 31, 2023 |
| Q3 2022 | 87.3 | -8.54 | -8.91% | Oct 31, 2022 |
| Q2 2022 | 89.2 | -3.7 | -3.98% | Jul 31, 2022 |
| Q1 2022 | 92.3 | +3.45 | +3.88% | Apr 30, 2022 |
| Q4 2021 | 94.6 | +10.1 | +11.9% | Jan 31, 2022 |
| Q3 2021 | 95.8 | +16 | +20.1% | Oct 31, 2021 |
| Q2 2021 | 92.9 | +13.8 | +17.5% | Jul 31, 2021 |
| Q1 2021 | 88.9 | +10.5 | +13.3% | Apr 30, 2021 |
| Q4 2020 | 84.5 | +5.96 | +7.59% | Jan 31, 2021 |
| Q3 2020 | 79.8 | +1.11 | +1.41% | Oct 31, 2020 |
| Q2 2020 | 79.1 | +0.43 | +0.55% | Jul 31, 2020 |
| Q1 2020 | 78.4 | -4.02 | -4.88% | Apr 30, 2020 |
| Q4 2019 | 78.6 | -2.82 | -3.46% | Jan 31, 2020 |
| Q3 2019 | 78.7 | -1.74 | -2.16% | Oct 31, 2019 |
| Q2 2019 | 78.7 | -1.81 | -2.25% | Jul 31, 2019 |
| Q1 2019 | 82.4 | +5.29 | +6.86% | Apr 30, 2019 |
| Q4 2018 | 81.4 | +3.24 | +4.15% | Jan 31, 2019 |
| Q3 2018 | 80.4 | -0.14 | -0.17% | Oct 31, 2018 |
| Q2 2018 | 80.5 | -1.15 | -1.41% | Jul 31, 2018 |
| Q1 2018 | 77.1 | -6.39 | -7.65% | Apr 30, 2018 |
| Q4 2017 | 78.2 | -7.16 | -8.39% | Jan 31, 2018 |
| Q3 2017 | 80.6 | -6.38 | -7.34% | Oct 31, 2017 |
| Q2 2017 | 81.7 | -7.08 | -7.98% | Jul 31, 2017 |
| Q1 2017 | 83.5 | -6.11 | -6.82% | Apr 30, 2017 |
| Q4 2016 | 85.3 | -5.66 | -6.22% | Jan 31, 2017 |
| Q3 2016 | 86.9 | -4.94 | -5.38% | Oct 31, 2016 |
| Q2 2016 | 88.7 | -3.07 | -3.34% | Jul 31, 2016 |
| Q1 2016 | 89.6 | -2.09 | -2.28% | Apr 30, 2016 |
| Q4 2015 | 91 | -0.42 | -0.46% | Jan 31, 2016 |
| Q3 2015 | 91.9 | +2.6 | +2.91% | Oct 31, 2015 |
| Q2 2015 | 91.8 | +3.79 | +4.31% | Jul 31, 2015 |
| Q1 2015 | 91.7 | +5.15 | +5.95% | Apr 30, 2015 |
| Q4 2014 | 91.4 | +6.32 | +7.43% | Jan 31, 2015 |
| Q3 2014 | 89.3 | +5.35 | +6.37% | Oct 31, 2014 |
| Q2 2014 | 88 | +5.28 | +6.38% | Jul 31, 2014 |
| Q1 2014 | 86.6 | +4.03 | +4.88% | Apr 30, 2014 |
| Q4 2013 | 85.1 | +2.22 | +2.68% | Jan 31, 2014 |
| Q3 2013 | 83.9 | +0.03 | +0.04% | Oct 31, 2013 |
| Q2 2013 | 82.7 | -2.63 | -3.08% | Jul 31, 2013 |
| Q1 2013 | 82.5 | -3.69 | -4.28% | Apr 30, 2013 |
| Q4 2012 | 82.9 | -5.2 | -5.91% | Jan 31, 2013 |
| Q3 2012 | 83.9 | -4.26 | -4.83% | Oct 31, 2012 |
| Q2 2012 | 85.3 | -2.56 | -2.91% | Jul 31, 2012 |
| Q1 2012 | 86.2 | -0.38 | -0.44% | Apr 30, 2012 |
| Q4 2011 | 88.1 | +4.07 | +4.85% | Jan 31, 2012 |
| Q3 2011 | 88.2 | +4.74 | +5.68% | Oct 31, 2011 |
| Q2 2011 | 87.9 | Jul 31, 2011 | ||
| Q1 2011 | 86.6 | Apr 30, 2011 | ||
| Q4 2010 | 84 | Jan 31, 2011 | ||
| Q3 2010 | 83.4 | Oct 31, 2010 |