| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 72.1 | -3.42 | -4.53% | Apr 30, 2024 |
| Q4 2023 | 71.1 | -7.07 | -9.05% | Jan 31, 2024 |
| Q3 2023 | 70.6 | -8.46 | -10.7% | Oct 31, 2023 |
| Q2 2023 | 71.2 | -8.05 | -10.2% | Jul 31, 2023 |
| Q1 2023 | 75.5 | -1.11 | -1.45% | Apr 30, 2023 |
| Q4 2022 | 78.1 | +3.92 | +5.28% | Jan 31, 2023 |
| Q3 2022 | 79.1 | +5.15 | +6.96% | Oct 31, 2022 |
| Q2 2022 | 79.2 | +4.76 | +6.39% | Jul 31, 2022 |
| Q1 2022 | 76.6 | +0.58 | +0.76% | Apr 30, 2022 |
| Q4 2021 | 74.2 | -3.4 | -4.38% | Jan 31, 2022 |
| Q3 2021 | 74 | -3.8 | -4.89% | Oct 31, 2021 |
| Q2 2021 | 74.5 | -3.52 | -4.51% | Jul 31, 2021 |
| Q1 2021 | 76 | -1.76 | -2.26% | Apr 30, 2021 |
| Q4 2020 | 77.6 | -0.41 | -0.53% | Jan 31, 2021 |
| Q3 2020 | 77.8 | -1.49 | -1.88% | Oct 31, 2020 |
| Q2 2020 | 78 | -2.62 | -3.25% | Jul 31, 2020 |
| Q1 2020 | 77.8 | -4.23 | -5.16% | Apr 30, 2020 |
| Q4 2019 | 78 | -5.22 | -6.27% | Jan 31, 2020 |
| Q3 2019 | 79.2 | -7.06 | -8.18% | Oct 31, 2019 |
| Q2 2019 | 80.6 | -9.16 | -10.2% | Jul 31, 2019 |
| Q1 2019 | 82 | -10.8 | -11.7% | Apr 30, 2019 |
| Q4 2018 | 83.2 | -13.1 | -13.6% | Jan 31, 2019 |
| Q3 2018 | 86.3 | -11.5 | -11.7% | Oct 31, 2018 |
| Q2 2018 | 89.8 | -7.57 | -7.78% | Jul 31, 2018 |
| Q1 2018 | 92.8 | -4.27 | -4.4% | Apr 30, 2018 |
| Q4 2017 | 96.4 | +0.98 | +1.03% | Jan 31, 2018 |
| Q3 2017 | 97.8 | +3.63 | +3.86% | Oct 31, 2017 |
| Q2 2017 | 97.4 | -8.83 | -8.32% | Jul 31, 2017 |
| Q1 2017 | 97.1 | -10.5 | -9.77% | Apr 30, 2017 |
| Q4 2016 | 95.4 | -15.6 | -14.1% | Jan 31, 2017 |
| Q3 2016 | 94.1 | -19.4 | -17.1% | Oct 31, 2016 |
| Q2 2016 | 106 | -5.44 | -4.87% | Jul 31, 2016 |
| Q1 2016 | 108 | -6.71 | -5.87% | Apr 30, 2016 |
| Q4 2015 | 111 | -3.8 | -3.31% | Jan 31, 2016 |
| Q3 2015 | 114 | -2.02 | -1.75% | Oct 31, 2015 |
| Q2 2015 | 112 | -2.86 | -2.5% | Jul 31, 2015 |
| Q1 2015 | 114 | +1.71 | +1.52% | Apr 30, 2015 |
| Q4 2014 | 115 | +3.27 | +2.93% | Jan 31, 2015 |
| Q3 2014 | 116 | +5.09 | +4.61% | Oct 31, 2014 |
| Q2 2014 | 114 | +4.58 | +4.17% | Jul 31, 2014 |
| Q1 2014 | 113 | +1.87 | +1.69% | Apr 30, 2014 |
| Q4 2013 | 112 | -0.39 | -0.35% | Jan 31, 2014 |
| Q3 2013 | 110 | -1.1 | -0.99% | Oct 31, 2013 |
| Q2 2013 | 110 | +0.45 | +0.41% | Jul 31, 2013 |
| Q1 2013 | 111 | +0.39 | +0.35% | Apr 30, 2013 |
| Q4 2012 | 112 | +3.18 | +2.92% | Jan 31, 2013 |
| Q3 2012 | 112 | +1.04 | +0.94% | Oct 31, 2012 |
| Q2 2012 | 109 | -3.29 | -2.92% | Jul 31, 2012 |
| Q1 2012 | 110 | -1.21 | -1.09% | Apr 30, 2012 |
| Q4 2011 | 109 | -5.91 | -5.15% | Jan 31, 2012 |
| Q3 2011 | 111 | -6.05 | -5.19% | Oct 31, 2011 |
| Q2 2011 | 113 | Jul 31, 2011 | ||
| Q1 2011 | 112 | Apr 30, 2011 | ||
| Q4 2010 | 115 | Jan 31, 2011 | ||
| Q3 2010 | 117 | Oct 31, 2010 |