| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 33.9 | +2.81 | +9.05% | Jun 30, 2024 |
| Q1 2024 | 35.1 | +5.62 | +19% | Mar 31, 2024 |
| Q4 2023 | 33.7 | +5.35 | +18.9% | Dec 31, 2023 |
| Q3 2023 | 32.1 | +4.17 | +14.9% | Sep 30, 2023 |
| Q2 2023 | 31.1 | +4.51 | +17% | Jun 30, 2023 |
| Q1 2023 | 29.5 | +3.44 | +13.2% | Mar 31, 2023 |
| Q4 2022 | 28.3 | +2.67 | +10.4% | Dec 31, 2022 |
| Q3 2022 | 28 | +3.07 | +12.3% | Sep 30, 2022 |
| Q2 2022 | 26.5 | +0.98 | +3.83% | Jun 30, 2022 |
| Q1 2022 | 26.1 | +0.18 | +0.7% | Mar 31, 2022 |
| Q4 2021 | 25.6 | -0.43 | -1.65% | Dec 31, 2021 |
| Q3 2021 | 24.9 | -1.49 | -5.65% | Sep 30, 2021 |
| Q2 2021 | 25.6 | +0.32 | +1.27% | Jun 30, 2021 |
| Q1 2021 | 25.9 | +1.7 | +7.03% | Mar 31, 2021 |
| Q4 2020 | 26.1 | +2.62 | +11.2% | Dec 31, 2020 |
| Q3 2020 | 26.4 | +3.3 | +14.3% | Sep 30, 2020 |
| Q2 2020 | 25.2 | +0.95 | +3.91% | Jun 30, 2020 |
| Q1 2020 | 24.2 | -0.98 | -3.9% | Mar 31, 2020 |
| Q4 2019 | 23.5 | -2.3 | -8.94% | Dec 31, 2019 |
| Q3 2019 | 23.1 | -3.08 | -11.8% | Sep 30, 2019 |
| Q2 2019 | 24.3 | -1.33 | -5.19% | Jun 30, 2019 |
| Q1 2019 | 25.2 | -0.28 | -1.1% | Mar 31, 2019 |
| Q4 2018 | 25.7 | -0.06 | -0.23% | Dec 31, 2018 |
| Q3 2018 | 26.2 | -0.23 | -0.87% | Sep 30, 2018 |
| Q2 2018 | 25.6 | -0.53 | -2.03% | Jun 30, 2018 |
| Q1 2018 | 25.4 | -1.55 | -5.74% | Mar 31, 2018 |
| Q4 2017 | 25.8 | -1.99 | -7.16% | Dec 31, 2017 |
| Q3 2017 | 26.4 | -0.66 | -2.44% | Sep 30, 2017 |
| Q2 2017 | 26.2 | -1.42 | -5.15% | Jun 30, 2017 |
| Q1 2017 | 27 | -0.37 | -1.35% | Mar 31, 2017 |
| Q4 2016 | 27.8 | +0.69 | +2.55% | Dec 31, 2016 |
| Q3 2016 | 27 | -1.6 | -5.59% | Sep 30, 2016 |
| Q2 2016 | 27.6 | -2.31 | -7.73% | Jun 30, 2016 |
| Q1 2016 | 27.4 | -3.26 | -10.6% | Mar 31, 2016 |
| Q4 2015 | 27.1 | -3.93 | -12.7% | Dec 31, 2015 |
| Q3 2015 | 28.6 | -2.51 | -8.06% | Sep 30, 2015 |
| Q2 2015 | 29.9 | -0.84 | -2.74% | Jun 30, 2015 |
| Q1 2015 | 30.6 | -0.16 | -0.52% | Mar 31, 2015 |
| Q4 2014 | 31 | -0.25 | -0.8% | Dec 31, 2014 |
| Q3 2014 | 31.2 | -0.68 | -2.14% | Sep 30, 2014 |
| Q2 2014 | 30.7 | -2.03 | -6.2% | Jun 30, 2014 |
| Q1 2014 | 30.8 | -2.47 | -7.43% | Mar 31, 2014 |
| Q4 2013 | 31.3 | -2.41 | -7.15% | Dec 31, 2013 |
| Q3 2013 | 31.8 | -2.43 | -7.09% | Sep 30, 2013 |
| Q2 2013 | 32.7 | -1.52 | -4.44% | Jun 30, 2013 |
| Q1 2013 | 33.3 | -1.2 | -3.48% | Mar 31, 2013 |
| Q4 2012 | 33.7 | -1.24 | -3.55% | Dec 31, 2012 |
| Q3 2012 | 34.3 | -0.16 | -0.47% | Sep 30, 2012 |
| Q2 2012 | 34.3 | -0.38 | -1.1% | Jun 30, 2012 |
| Q1 2012 | 34.5 | +0.05 | +0.15% | Mar 31, 2012 |
| Q4 2011 | 34.9 | +1.61 | +4.83% | Dec 31, 2011 |
| Q3 2011 | 34.4 | Sep 30, 2011 | ||
| Q2 2011 | 34.7 | Jun 30, 2011 | ||
| Q1 2011 | 34.4 | Mar 31, 2011 | ||
| Q4 2010 | 33.3 | Dec 31, 2010 |