| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 48.5 | +3.73 | +8.33% | Jun 30, 2024 |
| Q1 2024 | 50.1 | +7.3 | +17.1% | Mar 31, 2024 |
| Q4 2023 | 48.6 | +5.56 | +12.9% | Dec 31, 2023 |
| Q3 2023 | 46.9 | +3.94 | +9.17% | Sep 30, 2023 |
| Q2 2023 | 44.8 | +3.09 | +7.41% | Jun 30, 2023 |
| Q1 2023 | 42.8 | +2.02 | +4.95% | Mar 31, 2023 |
| Q4 2022 | 43.1 | +3.35 | +8.44% | Dec 31, 2022 |
| Q3 2022 | 43 | +4.42 | +11.5% | Sep 30, 2022 |
| Q2 2022 | 41.7 | +2.19 | +5.55% | Jun 30, 2022 |
| Q1 2022 | 40.8 | -0.47 | -1.14% | Mar 31, 2022 |
| Q4 2021 | 39.7 | -3.37 | -7.82% | Dec 31, 2021 |
| Q3 2021 | 38.6 | -4.17 | -9.76% | Sep 30, 2021 |
| Q2 2021 | 39.5 | -2.74 | -6.49% | Jun 30, 2021 |
| Q1 2021 | 41.2 | +0.99 | +2.46% | Mar 31, 2021 |
| Q4 2020 | 43.1 | +5.19 | +13.7% | Dec 31, 2020 |
| Q3 2020 | 42.8 | +5.64 | +15.2% | Sep 30, 2020 |
| Q2 2020 | 42.2 | +5.79 | +15.9% | Jun 30, 2020 |
| Q1 2020 | 40.3 | +3 | +8.05% | Mar 31, 2020 |
| Q4 2019 | 37.9 | -0.73 | -1.89% | Dec 31, 2019 |
| Q3 2019 | 37.1 | -3.79 | -9.27% | Sep 30, 2019 |
| Q2 2019 | 36.4 | -3.14 | -7.93% | Jun 30, 2019 |
| Q1 2019 | 37.3 | -1.66 | -4.27% | Mar 31, 2019 |
| Q4 2018 | 38.6 | +0.32 | +0.84% | Dec 31, 2018 |
| Q3 2018 | 40.9 | +5.38 | +15.1% | Sep 30, 2018 |
| Q2 2018 | 39.6 | -1.43 | -3.49% | Jun 30, 2018 |
| Q1 2018 | 38.9 | -9.48 | -19.6% | Mar 31, 2018 |
| Q4 2017 | 38.3 | -16.3 | -29.9% | Dec 31, 2017 |
| Q3 2017 | 35.5 | -24.7 | -41% | Sep 30, 2017 |
| Q2 2017 | 41 | -19.3 | -32% | Jun 30, 2017 |
| Q1 2017 | 48.4 | -8.43 | -14.8% | Mar 31, 2017 |
| Q4 2016 | 54.6 | +5.55 | +11.3% | Dec 31, 2016 |
| Q3 2016 | 60.3 | +16.8 | +38.8% | Sep 30, 2016 |
| Q2 2016 | 60.3 | +20.5 | +51.4% | Jun 30, 2016 |
| Q1 2016 | 56.8 | +19.6 | +52.6% | Mar 31, 2016 |
| Q4 2015 | 49.1 | +9.43 | +23.8% | Dec 31, 2015 |
| Q3 2015 | 43.4 | +3.06 | +7.58% | Sep 30, 2015 |
| Q2 2015 | 39.8 | +1.84 | +4.85% | Jun 30, 2015 |
| Q1 2015 | 37.2 | -1.92 | -4.9% | Mar 31, 2015 |
| Q4 2014 | 39.6 | -3.72 | -8.58% | Dec 31, 2014 |
| Q3 2014 | 40.4 | -8.94 | -18.1% | Sep 30, 2014 |
| Q2 2014 | 38 | -20.1 | -34.7% | Jun 30, 2014 |
| Q1 2014 | 39.2 | -20.3 | -34.1% | Mar 31, 2014 |
| Q4 2013 | 43.4 | -13 | -23.1% | Dec 31, 2013 |
| Q3 2013 | 49.3 | -5.81 | -10.5% | Sep 30, 2013 |
| Q2 2013 | 58.1 | +5.1 | +9.62% | Jun 30, 2013 |
| Q1 2013 | 59.5 | +9.19 | +18.3% | Mar 31, 2013 |
| Q4 2012 | 56.4 | +9.53 | +20.3% | Dec 31, 2012 |
| Q3 2012 | 55.1 | +12.1 | +28.1% | Sep 30, 2012 |
| Q2 2012 | 53 | +11.3 | +26.9% | Jun 30, 2012 |
| Q1 2012 | 50.3 | +8.42 | +20.1% | Mar 31, 2012 |
| Q4 2011 | 46.9 | +3.85 | +8.95% | Dec 31, 2011 |
| Q3 2011 | 43 | Sep 30, 2011 | ||
| Q2 2011 | 41.8 | Jun 30, 2011 | ||
| Q1 2011 | 41.9 | Mar 31, 2011 | ||
| Q4 2010 | 43 | Dec 31, 2010 |