| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 29 | -0.78 | -2.62% | Apr 30, 2024 |
| Q4 2023 | 28.9 | -1.1 | -3.67% | Jan 31, 2024 |
| Q3 2023 | 29 | -1.14 | -3.79% | Oct 31, 2023 |
| Q2 2023 | 29.2 | -0.4 | -1.35% | Jul 31, 2023 |
| Q1 2023 | 29.8 | +0.35 | +1.19% | Apr 30, 2023 |
| Q4 2022 | 30 | +1.63 | +5.75% | Jan 31, 2023 |
| Q3 2022 | 30.1 | +3.25 | +12.1% | Oct 31, 2022 |
| Q2 2022 | 29.6 | +3.87 | +15% | Jul 31, 2022 |
| Q1 2022 | 29.4 | +5.11 | +21% | Apr 30, 2022 |
| Q4 2021 | 28.4 | +4.54 | +19.1% | Jan 31, 2022 |
| Q3 2021 | 26.9 | +3.8 | +16.5% | Oct 31, 2021 |
| Q2 2021 | 25.8 | +2.72 | +11.8% | Jul 31, 2021 |
| Q1 2021 | 24.3 | +1.31 | +5.7% | Apr 30, 2021 |
| Q4 2020 | 23.8 | +1.35 | +6.01% | Jan 31, 2021 |
| Q3 2020 | 23.1 | -0.05 | -0.22% | Oct 31, 2020 |
| Q2 2020 | 23.1 | -0.45 | -1.92% | Jul 31, 2020 |
| Q1 2020 | 23 | -0.68 | -2.87% | Apr 30, 2020 |
| Q4 2019 | 22.5 | -1.37 | -5.75% | Jan 31, 2020 |
| Q3 2019 | 23.1 | -0.94 | -3.91% | Oct 31, 2019 |
| Q2 2019 | 23.5 | -0.96 | -3.93% | Jul 31, 2019 |
| Q1 2019 | 23.7 | -0.73 | -2.99% | Apr 30, 2019 |
| Q4 2018 | 23.8 | -0.89 | -3.6% | Jan 31, 2019 |
| Q3 2018 | 24.1 | -0.78 | -3.14% | Oct 31, 2018 |
| Q2 2018 | 24.5 | +0.15 | +0.62% | Jul 31, 2018 |
| Q1 2018 | 24.4 | +0.43 | +1.8% | Apr 30, 2018 |
| Q4 2017 | 24.7 | +1.88 | +8.22% | Jan 31, 2018 |
| Q3 2017 | 24.8 | +2.09 | +9.19% | Oct 31, 2017 |
| Q2 2017 | 24.3 | +7.44 | +44.1% | Jul 31, 2017 |
| Q1 2017 | 24 | +9.07 | +60.9% | Apr 30, 2017 |
| Q4 2016 | 22.9 | +8.8 | +62.6% | Jan 31, 2017 |
| Q3 2016 | 22.7 | +9.3 | +69.2% | Oct 31, 2016 |
| Q2 2016 | 16.9 | +3.41 | +25.3% | Jul 31, 2016 |
| Q1 2016 | 14.9 | +1.17 | +8.53% | Apr 30, 2016 |
| Q4 2015 | 14.1 | +0.58 | +4.3% | Jan 31, 2016 |
| Q3 2015 | 13.5 | +0.38 | +2.91% | Oct 31, 2015 |
| Q2 2015 | 13.5 | -0.34 | -2.46% | Jul 31, 2015 |
| Q1 2015 | 13.7 | +0.02 | +0.15% | Apr 30, 2015 |
| Q4 2014 | 13.5 | -0.19 | -1.39% | Jan 31, 2015 |
| Q3 2014 | 13.1 | -0.75 | -5.43% | Oct 31, 2014 |
| Q2 2014 | 13.8 | -0.08 | -0.58% | Jul 31, 2014 |
| Q1 2014 | 13.7 | -0.69 | -4.8% | Apr 30, 2014 |
| Q4 2013 | 13.7 | -1.59 | -10.4% | Jan 31, 2014 |
| Q3 2013 | 13.8 | -1.95 | -12.4% | Oct 31, 2013 |
| Q2 2013 | 13.9 | -2.21 | -13.7% | Jul 31, 2013 |
| Q1 2013 | 14.4 | -1.43 | -9.04% | Apr 30, 2013 |
| Q4 2012 | 15.3 | +0.41 | +2.76% | Jan 31, 2013 |
| Q3 2012 | 15.8 | +1.14 | +7.79% | Oct 31, 2012 |
| Q2 2012 | 16.1 | +1.91 | +13.5% | Jul 31, 2012 |
| Q1 2012 | 15.8 | +1.77 | +12.6% | Apr 30, 2012 |
| Q4 2011 | 14.9 | +0.3 | +2.06% | Jan 31, 2012 |
| Q3 2011 | 14.6 | -0.07 | -0.48% | Oct 31, 2011 |
| Q2 2011 | 14.2 | Jul 31, 2011 | ||
| Q1 2011 | 14 | Apr 30, 2011 | ||
| Q4 2010 | 14.6 | Jan 31, 2011 | ||
| Q3 2010 | 14.7 | Oct 31, 2010 |