| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 107 | +3.21 | +3.1% | Apr 30, 2024 |
| Q4 2023 | 104 | +0.69 | +0.67% | Jan 31, 2024 |
| Q3 2023 | 102 | -2.37 | -2.27% | Oct 31, 2023 |
| Q2 2023 | 103 | -2.26 | -2.16% | Jul 31, 2023 |
| Q1 2023 | 104 | +1.67 | +1.64% | Apr 30, 2023 |
| Q4 2022 | 104 | -4.82 | -4.44% | Jan 31, 2023 |
| Q3 2022 | 105 | -9.19 | -8.07% | Oct 31, 2022 |
| Q2 2022 | 105 | -12.6 | -10.7% | Jul 31, 2022 |
| Q1 2022 | 102 | -22 | -17.8% | Apr 30, 2022 |
| Q4 2021 | 109 | -10.5 | -8.79% | Jan 31, 2022 |
| Q3 2021 | 114 | -0.49 | -0.43% | Oct 31, 2021 |
| Q2 2021 | 117 | +6.71 | +6.07% | Jul 31, 2021 |
| Q1 2021 | 124 | +17.1 | +16% | Apr 30, 2021 |
| Q4 2020 | 119 | +17 | +16.7% | Jan 31, 2021 |
| Q3 2020 | 114 | +16.1 | +16.4% | Oct 31, 2020 |
| Q2 2020 | 111 | +16.8 | +17.9% | Jul 31, 2020 |
| Q1 2020 | 107 | +16.8 | +18.6% | Apr 30, 2020 |
| Q4 2019 | 102 | +5.2 | +5.37% | Jan 31, 2020 |
| Q3 2019 | 98.2 | +1.23 | +1.27% | Oct 31, 2019 |
| Q2 2019 | 93.8 | -2.72 | -2.82% | Jul 31, 2019 |
| Q1 2019 | 90 | -6.35 | -6.59% | Apr 30, 2019 |
| Q4 2018 | 96.8 | +14.4 | +17.4% | Jan 31, 2019 |
| Q3 2018 | 97 | +18.9 | +24.2% | Oct 31, 2018 |
| Q2 2018 | 96.5 | +22.8 | +31% | Jul 31, 2018 |
| Q1 2018 | 96.3 | +26.3 | +37.6% | Apr 30, 2018 |
| Q4 2017 | 82.5 | +11.9 | +16.8% | Jan 31, 2018 |
| Q3 2017 | 78.1 | +3.09 | +4.12% | Oct 31, 2017 |
| Q2 2017 | 73.7 | -4.69 | -5.98% | Jul 31, 2017 |
| Q1 2017 | 70 | -11.8 | -14.4% | Apr 30, 2017 |
| Q4 2016 | 70.6 | -9.72 | -12.1% | Jan 31, 2017 |
| Q3 2016 | 75 | +2.14 | +2.94% | Oct 31, 2016 |
| Q2 2016 | 78.4 | +5.64 | +7.75% | Jul 31, 2016 |
| Q1 2016 | 81.7 | +10.1 | +14.1% | Apr 30, 2016 |
| Q4 2015 | 80.3 | +9.6 | +13.6% | Jan 31, 2016 |
| Q3 2015 | 72.8 | +5.96 | +8.91% | Oct 31, 2015 |
| Q2 2015 | 72.8 | +9.45 | +14.9% | Jul 31, 2015 |
| Q1 2015 | 71.7 | +10.8 | +17.7% | Apr 30, 2015 |
| Q4 2014 | 70.7 | +0.36 | +0.51% | Jan 31, 2015 |
| Q3 2014 | 66.9 | -4.19 | -5.9% | Oct 31, 2014 |
| Q2 2014 | 63.3 | -7.81 | -11% | Jul 31, 2014 |
| Q1 2014 | 60.9 | -16.8 | -21.6% | Apr 30, 2014 |
| Q4 2013 | 70.4 | +0.61 | +0.88% | Jan 31, 2014 |
| Q3 2013 | 71.1 | +0.31 | +0.44% | Oct 31, 2013 |
| Q2 2013 | 71.1 | -2.56 | -3.47% | Jul 31, 2013 |
| Q1 2013 | 77.7 | +8.72 | +12.6% | Apr 30, 2013 |
| Q4 2012 | 69.8 | +2.61 | +3.89% | Jan 31, 2013 |
| Q3 2012 | 70.8 | +2.26 | +3.3% | Oct 31, 2012 |
| Q2 2012 | 73.7 | -5.55 | -7.01% | Jul 31, 2012 |
| Q1 2012 | 69 | -24.6 | -26.3% | Apr 30, 2012 |
| Q4 2011 | 67.1 | -47.9 | -41.7% | Jan 31, 2012 |
| Q3 2011 | 68.5 | -75.3 | -52.4% | Oct 31, 2011 |
| Q2 2011 | 79.2 | Jul 31, 2011 | ||
| Q1 2011 | 93.6 | Apr 30, 2011 | ||
| Q4 2010 | 115 | Jan 31, 2011 | ||
| Q3 2010 | 144 | Oct 31, 2010 |