| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2022 | 154 | -23.2 | -13.1% | Apr 30, 2022 |
| Q4 2021 | 160 | -17.8 | -9.99% | Jan 31, 2022 |
| Q3 2021 | 166 | -9.6 | -5.48% | Oct 31, 2021 |
| Q2 2021 | 166 | -8.95 | -5.11% | Jul 31, 2021 |
| Q1 2021 | 177 | +2.29 | +1.31% | Apr 30, 2021 |
| Q4 2020 | 178 | +30.5 | +20.7% | Jan 31, 2021 |
| Q3 2020 | 175 | +56.2 | +47.2% | Oct 31, 2020 |
| Q2 2020 | 175 | +89.9 | +106% | Jul 31, 2020 |
| Q1 2020 | 175 | +127 | +268% | Apr 30, 2020 |
| Q4 2019 | 148 | +100 | +213% | Jan 31, 2020 |
| Q3 2019 | 119 | +72.1 | +154% | Oct 31, 2019 |
| Q2 2019 | 85.1 | +36.6 | +75.3% | Jul 31, 2019 |
| Q1 2019 | 47.6 | -3.23 | -6.36% | Apr 30, 2019 |
| Q4 2018 | 47.1 | -6.36 | -11.9% | Jan 31, 2019 |
| Q3 2018 | 46.9 | -10.6 | -18.5% | Oct 31, 2018 |
| Q2 2018 | 48.6 | -12.9 | -21% | Jul 30, 2018 |
| Q1 2018 | 50.8 | -13.6 | -21.1% | Apr 30, 2018 |
| Q4 2017 | 53.5 | -14.6 | -21.5% | Jan 31, 2018 |
| Q3 2017 | 57.5 | -14.5 | -20.2% | Oct 31, 2017 |
| Q2 2017 | 61.5 | -13.3 | -17.8% | Jul 31, 2017 |
| Q1 2017 | 64.4 | -10.9 | -14.5% | Apr 30, 2017 |
| Q4 2016 | 68.1 | -6.99 | -9.31% | Jan 31, 2017 |
| Q3 2016 | 72 | -2.76 | -3.69% | Oct 31, 2016 |
| Q2 2016 | 74.8 | +1.26 | +1.71% | Jul 31, 2016 |
| Q1 2016 | 75.3 | -0.09 | -0.12% | Apr 30, 2016 |
| Q4 2015 | 75.1 | -1.86 | -2.42% | Jan 31, 2016 |
| Q3 2015 | 74.8 | -5.62 | -6.99% | Oct 31, 2015 |
| Q2 2015 | 73.6 | -12.7 | -14.7% | Jul 31, 2015 |
| Q1 2015 | 75.4 | -16.1 | -17.6% | Apr 30, 2015 |
| Q4 2014 | 77 | -18.6 | -19.5% | Jan 31, 2015 |
| Q3 2014 | 80.4 | -18.3 | -18.5% | Oct 31, 2014 |
| Q2 2014 | 86.2 | -13.9 | -13.9% | Jul 31, 2014 |
| Q1 2014 | 91.5 | -5.44 | -5.61% | Apr 30, 2014 |
| Q4 2013 | 95.5 | +1.01 | +1.07% | Jan 31, 2014 |
| Q3 2013 | 98.7 | +6.37 | +6.9% | Oct 31, 2013 |
| Q2 2013 | 100 | Jul 31, 2013 | ||
| Q1 2013 | 97 | Apr 30, 2013 | ||
| Q4 2012 | 94.5 | Jan 31, 2013 | ||
| Q3 2012 | 92.3 | Oct 31, 2012 |