| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 20.2 | -0.94 | -4.44% | Jun 30, 2024 |
| Q1 2024 | 21.3 | -1.34 | -5.92% | Mar 31, 2024 |
| Q4 2023 | 20.9 | -2.82 | -11.9% | Dec 31, 2023 |
| Q3 2023 | 20.1 | -6.16 | -23.5% | Sep 30, 2023 |
| Q2 2023 | 21.2 | -9.16 | -30.2% | Jun 30, 2023 |
| Q1 2023 | 22.6 | -14.1 | -38.4% | Mar 31, 2023 |
| Q4 2022 | 23.8 | -21.2 | -47.2% | Dec 31, 2022 |
| Q3 2022 | 26.2 | -27.8 | -51.4% | Sep 30, 2022 |
| Q2 2022 | 30.3 | -29.2 | -49% | Jun 30, 2022 |
| Q1 2022 | 36.8 | -25.4 | -40.9% | Mar 31, 2022 |
| Q4 2021 | 45 | -18.2 | -28.8% | Dec 31, 2021 |
| Q3 2021 | 54 | -6.74 | -11.1% | Sep 30, 2021 |
| Q2 2021 | 59.5 | +0.32 | +0.54% | Jun 30, 2021 |
| Q1 2021 | 62.2 | +4.97 | +8.69% | Mar 31, 2021 |
| Q4 2020 | 63.1 | +7.94 | +14.4% | Dec 31, 2020 |
| Q3 2020 | 60.7 | +5.93 | +10.8% | Sep 30, 2020 |
| Q2 2020 | 59.2 | +4.08 | +7.4% | Jun 30, 2020 |
| Q1 2020 | 57.2 | +4.06 | +7.64% | Mar 31, 2020 |
| Q4 2019 | 55.2 | +1.04 | +1.92% | Dec 31, 2019 |
| Q3 2019 | 54.8 | +0.25 | +0.46% | Sep 30, 2019 |
| Q2 2019 | 55.1 | +1.07 | +1.98% | Jun 30, 2019 |
| Q1 2019 | 53.1 | -2.81 | -5.02% | Mar 31, 2019 |
| Q4 2018 | 54.2 | -0.53 | -0.97% | Dec 31, 2018 |
| Q3 2018 | 54.5 | +0.76 | +1.41% | Sep 30, 2018 |
| Q2 2018 | 54 | Jun 30, 2018 | ||
| Q1 2018 | 56 | Mar 31, 2018 | ||
| Q4 2017 | 54.7 | Dec 31, 2017 | ||
| Q3 2017 | 53.8 | Sep 30, 2017 | ||
| Q4 2015 | 48.3 | -56.5 | -53.9% | Dec 31, 2015 |
| Q3 2015 | 45.4 | -91.6 | -66.8% | Sep 30, 2015 |
| Q2 2015 | 43.5 | -135 | -75.6% | Jun 30, 2015 |
| Q1 2015 | 73.5 | -96.7 | -56.8% | Mar 31, 2015 |
| Q4 2014 | 105 | -58.6 | -35.9% | Dec 31, 2014 |
| Q3 2014 | 137 | -20.7 | -13.1% | Sep 30, 2014 |
| Q2 2014 | 178 | +26.9 | +17.8% | Jun 30, 2014 |
| Q1 2014 | 170 | +21.7 | +14.6% | Mar 31, 2014 |
| Q4 2013 | 163 | +16.6 | +11.3% | Dec 31, 2013 |
| Q3 2013 | 158 | +9.83 | +6.65% | Sep 30, 2013 |
| Q2 2013 | 151 | -0.65 | -0.43% | Jun 30, 2013 |
| Q1 2013 | 148 | -5.51 | -3.58% | Mar 31, 2013 |
| Q4 2012 | 147 | -9.97 | -6.36% | Dec 31, 2012 |
| Q3 2012 | 148 | -11.2 | -7.03% | Sep 30, 2012 |
| Q2 2012 | 152 | -9.19 | -5.7% | Jun 30, 2012 |
| Q1 2012 | 154 | -4.19 | -2.65% | Mar 31, 2012 |
| Q4 2011 | 157 | Dec 31, 2011 | ||
| Q3 2011 | 159 | Sep 30, 2011 | ||
| Q2 2011 | 161 | Jun 30, 2011 | ||
| Q1 2011 | 158 | Mar 31, 2011 |