| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 39.2 | +5.28 | +15.6% | Mar 31, 2024 |
| Q4 2023 | 36.8 | +3.21 | +9.56% | Dec 31, 2023 |
| Q3 2023 | 31.2 | -3.05 | -8.91% | Sep 30, 2023 |
| Q2 2023 | 32.1 | -0.67 | -2.05% | Jun 30, 2023 |
| Q1 2023 | 33.9 | +3.1 | +10.1% | Mar 31, 2023 |
| Q4 2022 | 33.6 | +3.55 | +11.8% | Dec 31, 2022 |
| Q3 2022 | 34.2 | +4.25 | +14.2% | Sep 30, 2022 |
| Q2 2022 | 32.8 | +0.2 | +0.62% | Jun 30, 2022 |
| Q1 2022 | 30.8 | -4.11 | -11.8% | Mar 31, 2022 |
| Q4 2021 | 30.1 | -4.89 | -14% | Dec 31, 2021 |
| Q3 2021 | 30 | -3.35 | -10% | Sep 30, 2021 |
| Q2 2021 | 32.6 | +1.3 | +4.16% | Jun 30, 2021 |
| Q1 2021 | 34.9 | +5.14 | +17.3% | Mar 31, 2021 |
| Q4 2020 | 34.9 | +7.18 | +25.9% | Dec 31, 2020 |
| Q3 2020 | 33.3 | +7.31 | +28.1% | Sep 30, 2020 |
| Q2 2020 | 31.3 | +6.58 | +26.7% | Jun 30, 2020 |
| Q1 2020 | 29.7 | +5.58 | +23.1% | Mar 31, 2020 |
| Q4 2019 | 27.8 | +2.61 | +10.4% | Dec 31, 2019 |
| Q3 2019 | 26 | -1.48 | -5.38% | Sep 30, 2019 |
| Q2 2019 | 24.7 | -5.61 | -18.5% | Jun 30, 2019 |
| Q1 2019 | 24.2 | -8.72 | -26.5% | Mar 31, 2019 |
| Q4 2018 | 25.2 | -7.46 | -22.9% | Dec 31, 2018 |
| Q3 2018 | 27.5 | -2.98 | -9.78% | Sep 30, 2018 |
| Q2 2018 | 30.3 | +2.19 | +7.8% | Jun 30, 2018 |
| Q1 2018 | 32.9 | +7.43 | +29.2% | Mar 31, 2018 |
| Q4 2017 | 32.6 | +6.65 | +25.6% | Dec 31, 2017 |
| Q3 2017 | 30.5 | +3.62 | +13.5% | Sep 30, 2017 |
| Q2 2017 | 28.1 | -0.93 | -3.21% | Jun 30, 2017 |
| Q1 2017 | 25.5 | -6.89 | -21.3% | Mar 31, 2017 |
| Q4 2016 | 26 | -9.21 | -26.2% | Dec 31, 2016 |
| Q3 2016 | 26.9 | -11.2 | -29.4% | Sep 30, 2016 |
| Q2 2016 | 29 | -8.45 | -22.6% | Jun 30, 2016 |
| Q1 2016 | 32.3 | -5.2 | -13.9% | Mar 31, 2016 |
| Q4 2015 | 35.2 | -1.04 | -2.87% | Dec 31, 2015 |
| Q3 2015 | 38.1 | +1.77 | +4.88% | Sep 30, 2015 |
| Q2 2015 | 37.5 | -3.34 | -8.19% | Jun 30, 2015 |
| Q1 2015 | 37.5 | -7.44 | -16.5% | Mar 31, 2015 |
| Q4 2014 | 36.2 | -13.8 | -27.6% | Dec 31, 2014 |
| Q3 2014 | 36.3 | -12 | -24.8% | Sep 30, 2014 |
| Q2 2014 | 40.8 | -0.81 | -1.95% | Jun 30, 2014 |
| Q1 2014 | 45 | +8.52 | +23.4% | Mar 31, 2014 |
| Q4 2013 | 50 | +17.8 | +55.2% | Dec 31, 2013 |
| Q3 2013 | 48.3 | +14.3 | +42.2% | Sep 30, 2013 |
| Q2 2013 | 41.6 | +5.37 | +14.8% | Jun 30, 2013 |
| Q1 2013 | 36.5 | -3.49 | -8.73% | Mar 31, 2013 |
| Q4 2012 | 32.2 | -13.8 | -30% | Dec 31, 2012 |
| Q3 2012 | 34 | -8.06 | -19.2% | Sep 30, 2012 |
| Q2 2012 | 36.3 | -2.5 | -6.45% | Jun 30, 2012 |
| Q1 2012 | 40 | +4.09 | +11.4% | Mar 31, 2012 |
| Q4 2011 | 46.1 | +13.1 | +39.6% | Dec 31, 2011 |
| Q3 2011 | 42 | Sep 30, 2011 | ||
| Q2 2011 | 38.8 | Jun 30, 2011 | ||
| Q1 2011 | 35.9 | Mar 31, 2011 | ||
| Q4 2010 | 33 | Dec 31, 2010 |