| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 51.4 | +5.96 | +13.1% | Mar 31, 2024 | |
| Q4 2023 | 50.8 | +10.7 | +26.5% | Dec 31, 2023 | |
| Q3 2023 | 51 | +15.8 | +44.7% | Sep 30, 2023 | |
| Q2 2023 | 48.8 | +17 | +53.5% | Jun 30, 2023 | |
| Q1 2023 | 45.4 | +15.8 | +53.3% | Mar 31, 2023 | |
| Q4 2022 | 40.1 | +11.4 | +39.7% | Dec 31, 2022 | |
| Q3 2022 | 35.3 | +6.67 | +23.3% | Sep 30, 2022 | |
| Q2 2022 | 31.8 | +2.56 | +8.76% | Jun 30, 2022 | |
| Q1 2022 | 29.6 | -0.5 | -1.66% | Mar 31, 2022 | |
| Q4 2021 | 28.7 | -3.76 | -11.6% | Dec 31, 2021 | |
| Q3 2021 | 28.6 | -5.18 | -15.3% | Sep 30, 2021 | |
| Q2 2021 | 29.2 | -5.49 | -15.8% | Jun 30, 2021 | |
| Q1 2021 | 30.1 | -5.3 | -15% | Mar 31, 2021 | |
| Q4 2020 | 32.5 | -3.71 | -10.2% | Dec 31, 2020 | |
| Q3 2020 | 33.8 | -1.94 | -5.43% | Sep 30, 2020 | |
| Q2 2020 | 34.7 | -0.64 | -1.81% | Jun 30, 2020 | |
| Q1 2020 | 35.4 | -0.21 | -0.59% | Mar 31, 2020 | |
| Q4 2019 | 36.2 | +3.41 | +10.4% | Dec 31, 2019 | |
| Q3 2019 | 35.7 | +3.16 | +9.71% | Sep 30, 2019 | |
| Q2 2019 | 35.4 | +2.08 | +6.25% | Jun 30, 2019 | |
| Q1 2019 | 35.6 | +2.42 | +7.29% | Mar 31, 2019 | |
| Q4 2018 | 32.8 | -2.08 | -5.96% | Dec 31, 2018 | |
| Q3 2018 | 32.5 | -4.12 | -11.2% | Sep 30, 2018 | |
| Q2 2018 | 33.3 | -3.42 | -9.32% | Jun 30, 2018 | |
| Q1 2018 | 33.2 | -4.47 | -11.9% | Mar 31, 2018 | |
| Q4 2017 | 34.9 | -4.17 | -10.7% | Dec 31, 2017 | |
| Q3 2017 | 36.7 | -5.18 | -12.4% | Sep 30, 2017 | |
| Q2 2017 | 36.7 | -7.81 | -17.5% | Jun 30, 2017 | |
| Q1 2017 | 37.7 | -8.84 | -19% | Mar 31, 2017 | |
| Q4 2016 | 39 | -9.63 | -19.8% | Dec 31, 2016 | |
| Q3 2016 | 41.8 | -7.03 | -14.4% | Sep 30, 2016 | |
| Q2 2016 | 44.5 | -2.1 | -4.51% | Jun 30, 2016 | |
| Q1 2016 | 46.5 | +2.98 | +6.85% | Mar 31, 2016 | |
| Q4 2015 | 48.7 | +8.97 | +22.6% | Dec 31, 2015 | |
| Q3 2015 | 48.9 | +9.98 | +25.7% | Sep 30, 2015 | |
| Q2 2015 | 46.6 | +10.7 | +29.8% | Jun 30, 2015 | |
| Q1 2015 | 43.5 | +6.31 | +17% | Mar 31, 2015 | |
| Q4 2014 | 39.7 | -1.47 | -3.57% | Dec 31, 2014 | |
| Q3 2014 | 38.9 | -1.71 | -4.21% | Sep 30, 2014 | |
| Q2 2014 | 35.9 | -11.4 | -24% | Jun 30, 2014 | |
| Q1 2014 | 37.2 | -4.68 | -11.2% | Mar 31, 2014 | |
| Q4 2013 | 41.2 | +3.19 | +8.4% | Dec 31, 2013 | |
| Q3 2013 | 40.6 | +10.5 | +34.8% | Sep 30, 2013 | |
| Q2 2013 | 47.3 | +21.7 | +85.2% | Jun 30, 2013 | |
| Q1 2013 | 41.9 | +12.9 | +44.3% | Mar 31, 2013 | |
| Q4 2012 | 38 | Dec 31, 2012 | |||
| Q3 2012 | 30.1 | Sep 30, 2012 | |||
| Q2 2012 | 25.5 | Jun 30, 2012 | |||
| Q1 2012 | 29 | Mar 31, 2012 |