| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 21 | -4.2 | -16.7% | Mar 31, 2024 |
| Q4 2023 | 21.3 | -5.81 | -21.4% | Dec 31, 2023 |
| Q3 2023 | 22 | -7.09 | -24.3% | Sep 30, 2023 |
| Q2 2023 | 23.5 | -8.41 | -26.3% | Jun 30, 2023 |
| Q1 2023 | 25.2 | -7.41 | -22.7% | Mar 31, 2023 |
| Q4 2022 | 27.1 | -7.5 | -21.7% | Dec 31, 2022 |
| Q3 2022 | 29.1 | -9.27 | -24.1% | Sep 30, 2022 |
| Q2 2022 | 31.9 | -10.3 | -24.5% | Jun 30, 2022 |
| Q1 2022 | 32.6 | -13.5 | -29.3% | Mar 31, 2022 |
| Q4 2021 | 34.6 | -13.5 | -28% | Dec 31, 2021 |
| Q3 2021 | 38.4 | -10.1 | -20.9% | Sep 30, 2021 |
| Q2 2021 | 42.3 | -5.72 | -11.9% | Jun 30, 2021 |
| Q1 2021 | 46.1 | -3.16 | -6.41% | Mar 31, 2021 |
| Q4 2020 | 48.1 | -3.48 | -6.75% | Dec 31, 2020 |
| Q3 2020 | 48.5 | -5.32 | -9.88% | Sep 30, 2020 |
| Q2 2020 | 48 | -7.89 | -14.1% | Jun 30, 2020 |
| Q1 2020 | 49.3 | -8.13 | -14.2% | Mar 31, 2020 |
| Q4 2019 | 51.6 | -1.04 | -1.98% | Dec 31, 2019 |
| Q3 2019 | 53.8 | +8 | +17.5% | Sep 30, 2019 |
| Q2 2019 | 55.9 | +16 | +40.2% | Jun 30, 2019 |
| Q1 2019 | 57.4 | +23.9 | +71.4% | Mar 31, 2019 |
| Q4 2018 | 52.6 | +20.5 | +63.9% | Dec 31, 2018 |
| Q3 2018 | 45.8 | +14.4 | +45.6% | Sep 30, 2018 |
| Q2 2018 | 39.8 | +10.7 | +36.7% | Jun 30, 2018 |
| Q1 2018 | 33.5 | +4.5 | +15.5% | Mar 31, 2018 |
| Q4 2017 | 32.1 | +2.06 | +6.85% | Dec 31, 2017 |
| Q3 2017 | 31.5 | -0.43 | -1.35% | Sep 30, 2017 |
| Q2 2017 | 29.1 | -4.83 | -14.2% | Jun 30, 2017 |
| Q1 2017 | 29 | -6.1 | -17.4% | Mar 31, 2017 |
| Q4 2016 | 30.1 | -5.88 | -16.4% | Dec 31, 2016 |
| Q3 2016 | 31.9 | -4.59 | -12.6% | Sep 30, 2016 |
| Q2 2016 | 34 | -6.61 | -16.3% | Jun 30, 2016 |
| Q1 2016 | 35.1 | -11.2 | -24.1% | Mar 31, 2016 |
| Q4 2015 | 35.9 | -14.4 | -28.7% | Dec 31, 2015 |
| Q3 2015 | 36.5 | -18.3 | -33.4% | Sep 30, 2015 |
| Q2 2015 | 40.6 | -10.4 | -20.4% | Jun 30, 2015 |
| Q1 2015 | 46.3 | -6.71 | -12.7% | Mar 31, 2015 |
| Q4 2014 | 50.4 | -4.01 | -7.38% | Dec 31, 2014 |
| Q3 2014 | 54.8 | +0.56 | +1.03% | Sep 30, 2014 |
| Q2 2014 | 51 | -10.7 | -17.4% | Jun 30, 2014 |
| Q1 2014 | 53 | -9.41 | -15.1% | Mar 31, 2014 |
| Q4 2013 | 54.4 | -10.7 | -16.5% | Dec 31, 2013 |
| Q3 2013 | 54.2 | -16 | -22.8% | Sep 30, 2013 |
| Q2 2013 | 61.7 | -13.2 | -17.6% | Jun 30, 2013 |
| Q1 2013 | 62.4 | -14.9 | -19.3% | Mar 31, 2013 |
| Q4 2012 | 65.1 | Dec 31, 2012 | ||
| Q3 2012 | 70.2 | Sep 30, 2012 | ||
| Q2 2012 | 74.9 | Jun 30, 2012 | ||
| Q1 2012 | 77.3 | Mar 31, 2012 |