| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 24.5 | -1.34 | -5.19% | Jun 30, 2024 |
| Q1 2024 | 24.9 | -0.89 | -3.46% | Mar 31, 2024 |
| Q4 2023 | 23.8 | -2.01 | -7.8% | Dec 31, 2023 |
| Q3 2023 | 25.1 | -0.92 | -3.54% | Sep 30, 2023 |
| Q2 2023 | 25.8 | -1.17 | -4.34% | Jun 30, 2023 |
| Q1 2023 | 25.7 | -1.37 | -5.05% | Mar 31, 2023 |
| Q4 2022 | 25.8 | -1.73 | -6.29% | Dec 31, 2022 |
| Q3 2022 | 26 | -3.05 | -10.5% | Sep 30, 2022 |
| Q2 2022 | 27 | -2.31 | -7.88% | Jun 30, 2022 |
| Q1 2022 | 27.1 | -3.02 | -10% | Mar 31, 2022 |
| Q4 2021 | 27.5 | -0.93 | -3.27% | Dec 31, 2021 |
| Q3 2021 | 29 | +1.8 | +6.61% | Sep 30, 2021 |
| Q2 2021 | 29.3 | +2.38 | +8.84% | Jun 30, 2021 |
| Q1 2021 | 30.1 | +3.41 | +12.8% | Mar 31, 2021 |
| Q4 2020 | 28.4 | +1.02 | +3.72% | Dec 31, 2020 |
| Q3 2020 | 27.2 | +0.08 | +0.3% | Sep 30, 2020 |
| Q2 2020 | 26.9 | -2.45 | -8.34% | Jun 30, 2020 |
| Q1 2020 | 26.7 | -3.97 | -12.9% | Mar 31, 2020 |
| Q4 2019 | 27.4 | -6.4 | -18.9% | Dec 31, 2019 |
| Q3 2019 | 27.2 | -5.48 | -16.8% | Sep 30, 2019 |
| Q2 2019 | 29.4 | -2.66 | -8.31% | Jun 30, 2019 |
| Q1 2019 | 30.7 | -2.84 | -8.47% | Mar 31, 2019 |
| Q4 2018 | 33.8 | +0.75 | +2.27% | Dec 31, 2018 |
| Q3 2018 | 32.6 | -3.39 | -9.41% | Sep 30, 2018 |
| Q2 2018 | 32 | -6.57 | -17% | Jun 30, 2018 |
| Q1 2018 | 33.5 | -6.46 | -16.2% | Mar 31, 2018 |
| Q4 2017 | 33.1 | -9.63 | -22.6% | Dec 31, 2017 |
| Q3 2017 | 36 | -9.97 | -21.7% | Sep 30, 2017 |
| Q2 2017 | 38.6 | -5.91 | -13.3% | Jun 30, 2017 |
| Q1 2017 | 40 | -3.28 | -7.58% | Mar 31, 2017 |
| Q4 2016 | 42.7 | +3.03 | +7.64% | Dec 31, 2016 |
| Q3 2016 | 46 | +10.1 | +28.1% | Sep 30, 2016 |
| Q2 2016 | 44.5 | +9.53 | +27.2% | Jun 30, 2016 |
| Q1 2016 | 43.3 | +7.73 | +21.8% | Mar 31, 2016 |
| Q4 2015 | 39.7 | +2.22 | +5.93% | Dec 31, 2015 |
| Q3 2015 | 35.9 | -3.18 | -8.14% | Sep 30, 2015 |
| Q2 2015 | 35 | -3.88 | -9.99% | Jun 30, 2015 |
| Q1 2015 | 35.5 | -0.66 | -1.82% | Mar 31, 2015 |
| Q4 2014 | 37.4 | +3.48 | +10.2% | Dec 31, 2014 |
| Q3 2014 | 39.1 | +5.44 | +16.2% | Sep 30, 2014 |
| Q2 2014 | 38.9 | +5.37 | +16% | Jun 30, 2014 |
| Q1 2014 | 36.2 | +2.05 | +6% | Mar 31, 2014 |
| Q4 2013 | 34 | -0.91 | -2.61% | Dec 31, 2013 |
| Q3 2013 | 33.6 | +0.6 | +1.82% | Sep 30, 2013 |
| Q2 2013 | 33.5 | +1.96 | +6.22% | Jun 30, 2013 |
| Q1 2013 | 34.2 | +2.89 | +9.24% | Mar 31, 2013 |
| Q4 2012 | 34.9 | +3.6 | +11.5% | Dec 31, 2012 |
| Q3 2012 | 33 | -0.92 | -2.71% | Sep 30, 2012 |
| Q2 2012 | 31.5 | -5.45 | -14.7% | Jun 30, 2012 |
| Q1 2012 | 31.3 | -6.28 | -16.7% | Mar 31, 2012 |
| Q4 2011 | 31.3 | -8.09 | -20.6% | Dec 31, 2011 |
| Q3 2011 | 34 | Sep 30, 2011 | ||
| Q2 2011 | 37 | Jun 30, 2011 | ||
| Q1 2011 | 37.6 | Mar 31, 2011 | ||
| Q4 2010 | 39.4 | Dec 31, 2010 |