| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 80.4 | -12.5 | -13.4% | Jul 31, 2024 |
| Q1 2024 | 81.7 | -14.5 | -15.1% | Apr 30, 2024 |
| Q4 2023 | 84.7 | -15.9 | -15.8% | Jan 31, 2024 |
| Q3 2023 | 89.3 | -12.9 | -12.6% | Oct 31, 2023 |
| Q2 2023 | 92.9 | -9.35 | -9.15% | Jul 31, 2023 |
| Q1 2023 | 96.1 | -7.55 | -7.28% | Apr 30, 2023 |
| Q4 2022 | 101 | -5.87 | -5.51% | Jan 31, 2023 |
| Q3 2022 | 102 | -4.67 | -4.37% | Oct 31, 2022 |
| Q2 2022 | 102 | -4.6 | -4.31% | Jul 31, 2022 |
| Q1 2022 | 104 | +2.08 | +2.05% | Apr 30, 2022 |
| Q4 2021 | 107 | +9.35 | +9.62% | Jan 31, 2022 |
| Q3 2021 | 107 | +11 | +11.5% | Oct 31, 2021 |
| Q2 2021 | 107 | +10.6 | +11% | Jul 31, 2021 |
| Q1 2021 | 102 | +7.81 | +8.33% | Apr 30, 2021 |
| Q4 2020 | 97.2 | +9.17 | +10.4% | Jan 31, 2021 |
| Q3 2020 | 95.8 | +12.4 | +14.9% | Oct 31, 2020 |
| Q2 2020 | 96.2 | +15.8 | +19.6% | Jul 31, 2020 |
| Q1 2020 | 93.8 | +13.1 | +16.2% | Apr 30, 2020 |
| Q4 2019 | 88 | +3.69 | +4.38% | Jan 31, 2020 |
| Q3 2019 | 83.4 | -4.68 | -5.31% | Oct 31, 2019 |
| Q2 2019 | 80.4 | -4.37 | -5.15% | Jul 31, 2019 |
| Q1 2019 | 80.7 | -3.2 | -3.82% | Apr 30, 2019 |
| Q4 2018 | 84.3 | +2.2 | +2.68% | Jan 31, 2019 |
| Q3 2018 | 88.1 | +8.27 | +10.4% | Oct 31, 2018 |
| Q2 2018 | 84.8 | +2.53 | +3.08% | Jul 31, 2018 |
| Q1 2018 | 83.9 | +1.88 | +2.29% | Apr 30, 2018 |
| Q4 2017 | 82.1 | +0.08 | +0.1% | Jan 31, 2018 |
| Q3 2017 | 79.8 | -1.55 | -1.91% | Oct 31, 2017 |
| Q2 2017 | 82.3 | +1.94 | +2.42% | Jul 31, 2017 |
| Q1 2017 | 82 | +1.99 | +2.49% | Apr 30, 2017 |
| Q4 2016 | 82 | +3.37 | +4.28% | Jan 31, 2017 |
| Q3 2016 | 81.4 | +3.46 | +4.44% | Oct 31, 2016 |
| Q2 2016 | 80.3 | -5.01 | -5.87% | Jul 31, 2016 |
| Q1 2016 | 80 | -6.79 | -7.82% | Apr 30, 2016 |
| Q4 2015 | 78.7 | -12.3 | -13.5% | Jan 31, 2016 |
| Q3 2015 | 77.9 | -16.8 | -17.7% | Oct 31, 2015 |
| Q2 2015 | 85.3 | -8.92 | -9.47% | Jul 31, 2015 |
| Q1 2015 | 86.8 | -14.8 | -14.5% | Apr 30, 2015 |
| Q4 2014 | 91 | -11.6 | -11.3% | Jan 31, 2015 |
| Q3 2014 | 94.7 | -8.88 | -8.57% | Oct 31, 2014 |
| Q2 2014 | 94.2 | -9.64 | -9.28% | Jul 31, 2014 |
| Q1 2014 | 102 | +1.02 | +1.02% | Apr 30, 2014 |
| Q4 2013 | 103 | +2.05 | +2.04% | Jan 31, 2014 |
| Q3 2013 | 104 | +2.26 | +2.23% | Oct 31, 2013 |
| Q2 2013 | 104 | +1.06 | +1.03% | Jul 31, 2013 |
| Q1 2013 | 101 | -4.34 | -4.14% | Apr 30, 2013 |
| Q4 2012 | 101 | -9.12 | -8.32% | Jan 31, 2013 |
| Q3 2012 | 101 | -17.1 | -14.4% | Oct 31, 2012 |
| Q2 2012 | 103 | -36 | -25.9% | Jul 31, 2012 |
| Q1 2012 | 105 | -61.4 | -36.9% | Apr 30, 2012 |
| Q4 2011 | 110 | -78.8 | -41.8% | Jan 31, 2012 |
| Q3 2011 | 118 | -84.9 | -41.8% | Oct 31, 2011 |
| Q2 2011 | 139 | Jul 31, 2011 | ||
| Q1 2011 | 166 | Apr 30, 2011 | ||
| Q4 2010 | 188 | Jan 31, 2011 | ||
| Q3 2010 | 203 | Oct 31, 2010 |