| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 32.8 | +7.74 | +30.9% | Mar 31, 2024 | |
| Q4 2023 | 31.7 | +5.97 | +23.2% | Dec 31, 2023 | |
| Q3 2023 | 29.7 | +0.37 | +1.26% | Sep 30, 2023 | |
| Q2 2023 | 26.1 | -5.87 | -18.4% | Jun 30, 2023 | |
| Q1 2023 | 25.1 | -8.75 | -25.9% | Mar 31, 2023 | |
| Q4 2022 | 25.8 | -8.92 | -25.7% | Dec 31, 2022 | |
| Q3 2022 | 29.3 | -2.7 | -8.43% | Sep 30, 2022 | |
| Q2 2022 | 32 | -0.14 | -0.44% | Jun 30, 2022 | |
| Q1 2022 | 33.8 | +0.83 | +2.52% | Mar 31, 2022 | |
| Q4 2021 | 34.7 | +3.64 | +11.7% | Dec 31, 2021 | |
| Q3 2021 | 32 | +0.73 | +2.33% | Sep 30, 2021 | |
| Q2 2021 | 32.1 | +1.24 | +4.02% | Jun 30, 2021 | |
| Q1 2021 | 33 | +2.52 | +8.27% | Mar 31, 2021 | |
| Q4 2020 | 31.1 | -0.94 | -2.94% | Dec 31, 2020 | |
| Q3 2020 | 31.3 | +1.07 | +3.54% | Sep 30, 2020 | |
| Q2 2020 | 30.9 | +1.12 | +3.76% | Jun 30, 2020 | |
| Q1 2020 | 30.5 | +2.43 | +8.67% | Mar 31, 2020 | |
| Q4 2019 | 32 | +3.82 | +13.6% | Dec 31, 2019 | |
| Q3 2019 | 30.2 | +1.08 | +3.71% | Sep 30, 2019 | |
| Q2 2019 | 29.8 | -0.25 | -0.83% | Jun 30, 2019 | |
| Q1 2019 | 28 | -4.47 | -13.8% | Mar 31, 2019 | |
| Q4 2018 | 28.2 | -5.01 | -15.1% | Dec 31, 2018 | |
| Q3 2018 | 29.1 | -4.66 | -13.8% | Sep 30, 2018 | |
| Q2 2018 | 30 | +3.2 | +11.9% | Jun 30, 2018 | |
| Q1 2018 | 32.5 | +8.72 | +36.7% | Mar 31, 2018 | |
| Q4 2017 | 33.2 | +10.9 | +49% | Dec 31, 2017 | |
| Q3 2017 | 33.8 | +12.4 | +57.7% | Sep 30, 2017 | |
| Q2 2017 | 26.8 | +5.07 | +23.3% | Jun 30, 2017 | |
| Q1 2017 | 23.8 | +1.43 | +6.4% | Mar 31, 2017 | |
| Q4 2016 | 22.3 | -0.15 | -0.67% | Dec 31, 2016 | |
| Q3 2016 | 21.4 | -1.2 | -5.31% | Sep 30, 2016 | |
| Q2 2016 | 21.7 | -2.76 | -11.3% | Jun 30, 2016 | |
| Q1 2016 | 22.4 | -2.3 | -9.33% | Mar 31, 2016 | |
| Q4 2015 | 22.4 | -3.29 | -12.8% | Dec 31, 2015 | |
| Q3 2015 | 22.6 | -4.64 | -17% | Sep 30, 2015 | |
| Q2 2015 | 24.5 | -2.98 | -10.8% | Jun 30, 2015 | |
| Q1 2015 | 24.7 | -4.47 | -15.4% | Mar 31, 2015 | |
| Q4 2014 | 25.7 | -4.96 | -16.2% | Dec 31, 2014 | |
| Q3 2014 | 27.3 | -3.82 | -12.3% | Sep 30, 2014 | |
| Q2 2014 | 27.5 | -4.98 | -15.3% | Jun 30, 2014 | |
| Q1 2014 | 29.1 | -3.05 | -9.48% | Mar 31, 2014 | |
| Q4 2013 | 30.7 | -1.44 | -4.48% | Dec 31, 2013 | |
| Q3 2013 | 31.1 | -1.83 | -5.56% | Sep 30, 2013 | |
| Q2 2013 | 32.5 | -1.17 | -3.48% | Jun 30, 2013 | |
| Q1 2013 | 32.2 | -3.06 | -8.69% | Mar 31, 2013 | |
| Q4 2012 | 32.1 | -4.19 | -11.5% | Dec 31, 2012 | |
| Q3 2012 | 32.9 | -4.33 | -11.6% | Sep 30, 2012 | |
| Q2 2012 | 33.6 | -4.61 | -12.1% | Jun 30, 2012 | |
| Q1 2012 | 35.2 | -0.28 | -0.79% | Mar 31, 2012 | |
| Q4 2011 | 36.3 | +1.89 | +5.49% | Dec 31, 2011 | |
| Q3 2011 | 37.2 | Sep 30, 2011 | |||
| Q2 2011 | 38.2 | Jun 30, 2011 | |||
| Q1 2011 | 35.5 | Mar 31, 2011 | |||
| Q4 2010 | 34.4 | Dec 31, 2010 |