| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 46 | +5.73 | +14.2% | Jun 30, 2024 |
| Q1 2024 | 44.7 | +4.94 | +12.4% | Mar 31, 2024 |
| Q4 2023 | 43.7 | +5.03 | +13% | Dec 31, 2023 |
| Q3 2023 | 41.7 | +2.82 | +7.25% | Sep 30, 2023 |
| Q2 2023 | 40.3 | +0.63 | +1.59% | Jun 30, 2023 |
| Q1 2023 | 39.8 | -2.04 | -4.88% | Mar 31, 2023 |
| Q4 2022 | 38.6 | -6.32 | -14.1% | Dec 31, 2022 |
| Q3 2022 | 38.9 | -9.27 | -19.2% | Sep 30, 2022 |
| Q2 2022 | 39.6 | -18.6 | -31.9% | Jun 30, 2022 |
| Q1 2022 | 41.8 | -23.9 | -36.4% | Mar 31, 2022 |
| Q4 2021 | 45 | -27.5 | -37.9% | Dec 31, 2021 |
| Q3 2021 | 48.2 | -21.8 | -31.1% | Sep 30, 2021 |
| Q2 2021 | 58.2 | -0.3 | -0.51% | Jun 30, 2021 |
| Q1 2021 | 65.8 | +17 | +34.7% | Mar 31, 2021 |
| Q4 2020 | 72.4 | +31.9 | +78.6% | Dec 31, 2020 |
| Q3 2020 | 70 | +28.4 | +68.5% | Sep 30, 2020 |
| Q2 2020 | 58.5 | +14.6 | +33.2% | Jun 30, 2020 |
| Q1 2020 | 48.8 | +2.02 | +4.32% | Mar 31, 2020 |
| Q4 2019 | 40.6 | -8.39 | -17.1% | Dec 31, 2019 |
| Q3 2019 | 41.5 | -9.36 | -18.4% | Sep 30, 2019 |
| Q2 2019 | 43.9 | -10.5 | -19.3% | Jun 30, 2019 |
| Q1 2019 | 46.8 | -9.24 | -16.5% | Mar 31, 2019 |
| Q4 2018 | 49 | -9.05 | -15.6% | Dec 31, 2018 |
| Q3 2018 | 50.9 | -9.63 | -15.9% | Sep 30, 2018 |
| Q2 2018 | 54.5 | -8.35 | -13.3% | Jun 30, 2018 |
| Q1 2018 | 56 | -10.1 | -15.2% | Mar 31, 2018 |
| Q4 2017 | 58 | -11.1 | -16.1% | Dec 31, 2017 |
| Q3 2017 | 60.5 | -12 | -16.5% | Sep 30, 2017 |
| Q2 2017 | 62.8 | -11 | -14.9% | Jun 30, 2017 |
| Q1 2017 | 66.1 | -8.33 | -11.2% | Mar 31, 2017 |
| Q4 2016 | 69.1 | -5.01 | -6.76% | Dec 31, 2016 |
| Q3 2016 | 72.5 | +0.22 | +0.3% | Sep 30, 2016 |
| Q2 2016 | 73.9 | +4.45 | +6.41% | Jun 30, 2016 |
| Q1 2016 | 74.4 | +9.52 | +14.7% | Mar 31, 2016 |
| Q4 2015 | 74.2 | +12.9 | +21% | Dec 31, 2015 |
| Q3 2015 | 72.3 | +10.2 | +16.4% | Sep 30, 2015 |
| Q2 2015 | 69.4 | +4.47 | +6.88% | Jun 30, 2015 |
| Q1 2015 | 64.9 | -4 | -5.81% | Mar 31, 2015 |
| Q4 2014 | 61.3 | -13 | -17.4% | Dec 31, 2014 |
| Q3 2014 | 62.1 | -13.5 | -17.9% | Sep 30, 2014 |
| Q2 2014 | 65 | -13.5 | -17.2% | Jun 30, 2014 |
| Q1 2014 | 68.9 | -15 | -17.9% | Mar 31, 2014 |
| Q4 2013 | 74.3 | -15.8 | -17.5% | Dec 31, 2013 |
| Q3 2013 | 75.6 | -19.5 | -20.5% | Sep 30, 2013 |
| Q2 2013 | 78.5 | -18.7 | -19.2% | Jun 30, 2013 |
| Q1 2013 | 83.9 | -14.1 | -14.4% | Mar 31, 2013 |
| Q4 2012 | 90.1 | Dec 31, 2012 | ||
| Q3 2012 | 95.1 | Sep 30, 2012 | ||
| Q2 2012 | 97.1 | Jun 30, 2012 | ||
| Q1 2012 | 98 | Mar 31, 2012 |