| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 16.8 | -2.45 | -12.8% | Sep 30, 2024 |
| Q2 2024 | 17.2 | -3.64 | -17.5% | Jun 30, 2024 |
| Q1 2024 | 17.9 | -5.8 | -24.5% | Mar 31, 2024 |
| Q4 2023 | 18.6 | -7.87 | -29.8% | Dec 31, 2023 |
| Q3 2023 | 19.2 | -9.12 | -32.2% | Sep 30, 2023 |
| Q2 2023 | 20.8 | -7.08 | -25.4% | Jun 30, 2023 |
| Q1 2023 | 23.7 | -4.57 | -16.2% | Mar 31, 2023 |
| Q4 2022 | 26.5 | -1.96 | -6.9% | Dec 31, 2022 |
| Q3 2022 | 28.3 | -0.79 | -2.71% | Sep 30, 2022 |
| Q2 2022 | 27.9 | -3.55 | -11.3% | Jun 30, 2022 |
| Q1 2022 | 28.2 | -4.07 | -12.6% | Mar 31, 2022 |
| Q4 2021 | 28.4 | -3.17 | -10% | Dec 31, 2021 |
| Q3 2021 | 29.1 | -2.32 | -7.38% | Sep 30, 2021 |
| Q2 2021 | 31.4 | +0.38 | +1.22% | Jun 30, 2021 |
| Q1 2021 | 32.3 | +4.98 | +18.2% | Mar 31, 2021 |
| Q4 2020 | 31.6 | +6.03 | +23.6% | Dec 31, 2020 |
| Q3 2020 | 31.5 | +8.05 | +34.4% | Sep 30, 2020 |
| Q2 2020 | 31.1 | +10.3 | +49.5% | Jun 30, 2020 |
| Q1 2020 | 27.3 | +7.8 | +40% | Mar 31, 2020 |
| Q4 2019 | 25.6 | +6.59 | +34.8% | Dec 31, 2019 |
| Q3 2019 | 23.4 | +4.88 | +26.3% | Sep 30, 2019 |
| Q2 2019 | 20.8 | +2.47 | +13.5% | Jun 30, 2019 |
| Q1 2019 | 19.5 | -1.02 | -4.97% | Mar 31, 2019 |
| Q4 2018 | 19 | -2.85 | -13.1% | Dec 31, 2018 |
| Q3 2018 | 18.5 | -3.75 | -16.8% | Sep 30, 2018 |
| Q2 2018 | 18.3 | -4.79 | -20.7% | Jun 30, 2018 |
| Q1 2018 | 20.5 | -2.96 | -12.6% | Mar 31, 2018 |
| Q4 2017 | 21.8 | -3.52 | -13.9% | Dec 31, 2017 |
| Q3 2017 | 22.3 | -5.33 | -19.3% | Sep 30, 2017 |
| Q2 2017 | 23.1 | -7.46 | -24.4% | Jun 30, 2017 |
| Q1 2017 | 23.5 | -10.5 | -30.9% | Mar 31, 2017 |
| Q4 2016 | 25.3 | -11.5 | -31.2% | Dec 31, 2016 |
| Q3 2016 | 27.6 | -12.1 | -30.4% | Sep 30, 2016 |
| Q2 2016 | 30.6 | -11.3 | -27% | Jun 30, 2016 |
| Q1 2016 | 34 | -9.13 | -21.2% | Mar 31, 2016 |
| Q4 2015 | 36.8 | -7.69 | -17.3% | Dec 31, 2015 |
| Q3 2015 | 39.7 | -6.6 | -14.3% | Sep 30, 2015 |
| Q2 2015 | 41.9 | -6.74 | -13.9% | Jun 30, 2015 |
| Q1 2015 | 43.1 | -8.92 | -17.1% | Mar 31, 2015 |
| Q4 2014 | 44.5 | -10.8 | -19.5% | Dec 31, 2014 |
| Q3 2014 | 46.3 | -12.9 | -21.9% | Sep 30, 2014 |
| Q2 2014 | 48.6 | -13.9 | -22.2% | Jun 30, 2014 |
| Q1 2014 | 52.1 | -13.9 | -21% | Mar 31, 2014 |
| Q4 2013 | 55.3 | -14.6 | -20.8% | Dec 31, 2013 |
| Q3 2013 | 59.2 | -15.2 | -20.5% | Sep 30, 2013 |
| Q2 2013 | 62.5 | -18.4 | -22.7% | Jun 30, 2013 |
| Q1 2013 | 65.9 | -20.7 | -23.9% | Mar 31, 2013 |
| Q4 2012 | 69.9 | Dec 31, 2012 | ||
| Q3 2012 | 74.5 | Sep 30, 2012 | ||
| Q2 2012 | 80.9 | Jun 30, 2012 | ||
| Q1 2012 | 86.6 | Mar 31, 2012 |