| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2024 | 77.3 | -5.83 | -7.01% | Jan 31, 2025 |
| Q3 2024 | 78.3 | -8.58 | -9.88% | Oct 31, 2024 |
| Q2 2024 | 80.8 | -11 | -12% | Jul 31, 2024 |
| Q1 2024 | 81.9 | -16.7 | -16.9% | Apr 30, 2024 |
| Q4 2023 | 83.2 | -22.5 | -21.3% | Jan 31, 2024 |
| Q3 2023 | 86.9 | -24.3 | -21.9% | Oct 31, 2023 |
| Q2 2023 | 91.8 | -22.8 | -19.9% | Jul 31, 2023 |
| Q1 2023 | 98.5 | -18.6 | -15.8% | Apr 30, 2023 |
| Q4 2022 | 106 | -13.2 | -11.1% | Jan 31, 2023 |
| Q3 2022 | 111 | -10.8 | -8.84% | Oct 31, 2022 |
| Q2 2022 | 115 | -9.72 | -7.82% | Jul 31, 2022 |
| Q1 2022 | 117 | -7.57 | -6.07% | Apr 30, 2022 |
| Q4 2021 | 119 | -9 | -7.04% | Jan 31, 2022 |
| Q3 2021 | 122 | -6.09 | -4.76% | Oct 31, 2021 |
| Q2 2021 | 124 | -0.19 | -0.15% | Jul 31, 2021 |
| Q1 2021 | 125 | +3.71 | +3.07% | Apr 30, 2021 |
| Q4 2020 | 128 | +13.9 | +12.2% | Jan 31, 2021 |
| Q3 2020 | 128 | +18.6 | +16.9% | Oct 31, 2020 |
| Q2 2020 | 124 | +14.4 | +13.1% | Jul 31, 2020 |
| Q1 2020 | 121 | +8.84 | +7.89% | Apr 30, 2020 |
| Q4 2019 | 114 | -1.24 | -1.08% | Jan 31, 2020 |
| Q3 2019 | 109 | -7.92 | -6.75% | Oct 31, 2019 |
| Q2 2019 | 110 | -5.71 | -4.93% | Jul 31, 2019 |
| Q1 2019 | 112 | -4.6 | -3.94% | Apr 30, 2019 |
| Q4 2018 | 115 | -1.99 | -1.7% | Jan 31, 2019 |
| Q3 2018 | 117 | -1.01 | -0.85% | Oct 31, 2018 |
| Q2 2018 | 116 | -8.1 | -6.54% | Jul 31, 2018 |
| Q1 2018 | 117 | -7.6 | -6.12% | Apr 30, 2018 |
| Q4 2017 | 117 | -5.57 | -4.54% | Jan 31, 2018 |
| Q3 2017 | 118 | -2.07 | -1.72% | Oct 31, 2017 |
| Q2 2017 | 124 | +6.44 | +5.49% | Jul 31, 2017 |
| Q1 2017 | 124 | +10.9 | +9.57% | Apr 30, 2017 |
| Q4 2016 | 123 | +10.2 | +9.04% | Jan 31, 2017 |
| Q3 2016 | 120 | +7.44 | +6.58% | Oct 31, 2016 |
| Q2 2016 | 117 | +4.51 | +4% | Jul 31, 2016 |
| Q1 2016 | 113 | -1.88 | -1.63% | Apr 30, 2016 |
| Q4 2015 | 113 | -5.4 | -4.58% | Jan 31, 2016 |
| Q3 2015 | 113 | -5.44 | -4.59% | Oct 31, 2015 |
| Q2 2015 | 113 | -2.6 | -2.25% | Jul 31, 2015 |
| Q1 2015 | 115 | +1.8 | +1.59% | Apr 30, 2015 |
| Q4 2014 | 118 | +8.64 | +7.9% | Jan 31, 2015 |
| Q3 2014 | 118 | +14 | +13.4% | Oct 31, 2014 |
| Q2 2014 | 115 | +12.7 | +12.3% | Jul 31, 2014 |
| Q1 2014 | 114 | +13.1 | +13% | Apr 30, 2014 |
| Q4 2013 | 109 | +9.88 | +9.93% | Jan 31, 2014 |
| Q3 2013 | 105 | +5.67 | +5.74% | Oct 31, 2013 |
| Q2 2013 | 103 | +4.56 | +4.64% | Jul 31, 2013 |
| Q1 2013 | 100 | +4.23 | +4.4% | Apr 30, 2013 |
| Q4 2012 | 99.5 | +4.54 | +4.78% | Jan 31, 2013 |
| Q3 2012 | 98.8 | +2.44 | +2.53% | Oct 31, 2012 |
| Q2 2012 | 98.3 | +0.11 | +0.11% | Jul 31, 2012 |
| Q1 2012 | 96.2 | -7.32 | -7.07% | Apr 30, 2012 |
| Q4 2011 | 94.9 | Jan 31, 2012 | ||
| Q3 2011 | 96.4 | Oct 31, 2011 | ||
| Q2 2011 | 98.1 | Jul 31, 2011 | ||
| Q1 2011 | 104 | Apr 30, 2011 |