| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 11.2 | +1.16 | +11.6% | Apr 30, 2024 |
| Q4 2023 | 11.2 | +1.09 | +10.8% | Jan 31, 2024 |
| Q3 2023 | 10.8 | +0.78 | +7.77% | Oct 31, 2023 |
| Q2 2023 | 10.5 | +1.11 | +11.8% | Jul 31, 2023 |
| Q1 2023 | 10 | +1.02 | +11.3% | Apr 30, 2023 |
| Q4 2022 | 10.1 | +1.35 | +15.4% | Jan 31, 2023 |
| Q3 2022 | 10 | +1.33 | +15.3% | Oct 31, 2022 |
| Q2 2022 | 9.39 | -0.02 | -0.21% | Jul 31, 2022 |
| Q1 2022 | 9.01 | -2.14 | -19.2% | Apr 30, 2022 |
| Q4 2021 | 8.78 | -3.88 | -30.7% | Jan 31, 2022 |
| Q3 2021 | 8.72 | -5.1 | -36.9% | Oct 31, 2021 |
| Q2 2021 | 9.4 | -5.21 | -35.7% | Jul 31, 2021 |
| Q1 2021 | 11.2 | -2.76 | -19.8% | Apr 30, 2021 |
| Q4 2020 | 12.7 | -0.44 | -3.36% | Jan 31, 2021 |
| Q3 2020 | 13.8 | +0.4 | +2.98% | Oct 31, 2020 |
| Q2 2020 | 14.6 | +0.8 | +5.79% | Jul 31, 2020 |
| Q1 2020 | 13.9 | -0.14 | -1% | Apr 30, 2020 |
| Q4 2019 | 13.1 | -1.38 | -9.53% | Jan 31, 2020 |
| Q3 2019 | 13.4 | -1.44 | -9.7% | Oct 31, 2019 |
| Q2 2019 | 13.8 | -1.25 | -8.3% | Jul 31, 2019 |
| Q1 2019 | 14 | -0.92 | -6.15% | Apr 30, 2019 |
| Q4 2018 | 14.5 | -0.44 | -2.95% | Jan 31, 2019 |
| Q3 2018 | 14.9 | -0.08 | -0.54% | Oct 31, 2018 |
| Q2 2018 | 15.1 | -0.41 | -2.65% | Jul 31, 2018 |
| Q1 2018 | 15 | -0.73 | -4.65% | Apr 30, 2018 |
| Q4 2017 | 14.9 | -1.24 | -7.67% | Jan 31, 2018 |
| Q3 2017 | 14.9 | -1.59 | -9.63% | Oct 31, 2017 |
| Q2 2017 | 15.5 | -1.4 | -8.3% | Jul 31, 2017 |
| Q1 2017 | 15.7 | -2.15 | -12.1% | Apr 30, 2017 |
| Q4 2016 | 16.2 | +0.58 | +3.72% | Jan 31, 2017 |
| Q3 2016 | 16.5 | +1.04 | +6.72% | Oct 31, 2016 |
| Q2 2016 | 16.9 | +1.07 | +6.77% | Jul 31, 2016 |
| Q1 2016 | 17.8 | +1.73 | +10.7% | Apr 30, 2016 |
| Q4 2015 | 15.6 | -3.4 | -17.9% | Jan 31, 2016 |
| Q3 2015 | 15.5 | -4.26 | -21.6% | Oct 31, 2015 |
| Q2 2015 | 15.8 | -4.18 | -20.9% | Jul 31, 2015 |
| Q1 2015 | 16.1 | -4.11 | -20.3% | Apr 30, 2015 |
| Q4 2014 | 19 | -1.95 | -9.32% | Jan 31, 2015 |
| Q3 2014 | 19.7 | -2.24 | -10.2% | Oct 31, 2014 |
| Q2 2014 | 20 | -2.91 | -12.7% | Jul 31, 2014 |
| Q1 2014 | 20.2 | -3.72 | -15.5% | Apr 30, 2014 |
| Q4 2013 | 20.9 | -2.92 | -12.2% | Jan 31, 2014 |
| Q3 2013 | 22 | -1.43 | -6.11% | Oct 31, 2013 |
| Q2 2013 | 22.9 | +0.3 | +1.33% | Jul 31, 2013 |
| Q1 2013 | 23.9 | +2.26 | +10.4% | Apr 30, 2013 |
| Q4 2012 | 23.8 | +2.8 | +13.3% | Jan 31, 2013 |
| Q3 2012 | 23.4 | +3.33 | +16.6% | Oct 31, 2012 |
| Q2 2012 | 22.6 | +3.56 | +18.7% | Jul 31, 2012 |
| Q1 2012 | 21.7 | +3.87 | +21.7% | Apr 30, 2012 |
| Q4 2011 | 21 | +3.78 | +21.9% | Jan 31, 2012 |
| Q3 2011 | 20.1 | +3.24 | +19.3% | Oct 31, 2011 |
| Q2 2011 | 19 | Jul 31, 2011 | ||
| Q1 2011 | 17.8 | Apr 30, 2011 | ||
| Q4 2010 | 17.3 | Jan 31, 2011 | ||
| Q3 2010 | 16.8 | Oct 31, 2010 |