| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 32.5 | +1.12 | +3.57% | Mar 31, 2024 |
| Q4 2023 | 31.5 | +0.74 | +2.41% | Dec 31, 2023 |
| Q3 2023 | 31.8 | +5.88 | +22.7% | Sep 30, 2023 |
| Q2 2023 | 31.7 | +9.1 | +40.2% | Jun 30, 2023 |
| Q1 2023 | 31.4 | +10.7 | +51.5% | Mar 31, 2023 |
| Q4 2022 | 30.7 | +11.7 | +61.9% | Dec 31, 2022 |
| Q3 2022 | 25.9 | +7.04 | +37.4% | Sep 30, 2022 |
| Q2 2022 | 22.6 | +4.14 | +22.4% | Jun 30, 2022 |
| Q1 2022 | 20.7 | +2.16 | +11.6% | Mar 31, 2022 |
| Q4 2021 | 19 | +0.17 | +0.9% | Dec 31, 2021 |
| Q3 2021 | 18.8 | +0.02 | +0.11% | Sep 30, 2021 |
| Q2 2021 | 18.5 | -2.52 | -12% | Jun 30, 2021 |
| Q1 2021 | 18.6 | -3.9 | -17.4% | Mar 31, 2021 |
| Q4 2020 | 18.8 | -5.56 | -22.8% | Dec 31, 2020 |
| Q3 2020 | 18.8 | -3.99 | -17.5% | Sep 30, 2020 |
| Q2 2020 | 21 | +2.4 | +12.9% | Jun 30, 2020 |
| Q1 2020 | 22.5 | +4.04 | +21.9% | Mar 31, 2020 |
| Q4 2019 | 24.4 | +5.15 | +26.8% | Dec 31, 2019 |
| Q3 2019 | 22.8 | -2.27 | -9.05% | Sep 30, 2019 |
| Q2 2019 | 18.6 | -14.3 | -43.5% | Jun 30, 2019 |
| Q1 2019 | 18.4 | -16.3 | -47% | Mar 31, 2019 |
| Q4 2018 | 19.2 | -17.4 | -47.5% | Dec 31, 2018 |
| Q3 2018 | 25.1 | -13.9 | -35.6% | Sep 30, 2018 |
| Q2 2018 | 32.9 | -7.84 | -19.2% | Jun 30, 2018 |
| Q1 2018 | 34.8 | -9.52 | -21.5% | Mar 31, 2018 |
| Q4 2017 | 36.6 | -10.1 | -21.7% | Dec 31, 2017 |
| Q3 2017 | 38.9 | -9.28 | -19.2% | Sep 30, 2017 |
| Q2 2017 | 40.7 | -9.21 | -18.4% | Jun 30, 2017 |
| Q1 2017 | 44.3 | -6.89 | -13.5% | Mar 31, 2017 |
| Q4 2016 | 46.7 | -6.81 | -12.7% | Dec 31, 2016 |
| Q3 2016 | 48.2 | -8.62 | -15.2% | Sep 30, 2016 |
| Q2 2016 | 50 | -10.1 | -16.8% | Jun 30, 2016 |
| Q1 2016 | 51.2 | -13 | -20.3% | Mar 31, 2016 |
| Q4 2015 | 53.5 | -14 | -20.8% | Dec 31, 2015 |
| Q3 2015 | 56.8 | -15.9 | -21.8% | Sep 30, 2015 |
| Q2 2015 | 60 | -16.5 | -21.5% | Jun 30, 2015 |
| Q1 2015 | 64.2 | -17 | -20.9% | Mar 31, 2015 |
| Q4 2014 | 67.6 | -21.1 | -23.8% | Dec 31, 2014 |
| Q3 2014 | 72.7 | -24 | -24.8% | Sep 30, 2014 |
| Q2 2014 | 76.5 | -22.2 | -22.5% | Jun 30, 2014 |
| Q1 2014 | 81.2 | -18.9 | -18.8% | Mar 31, 2014 |
| Q4 2013 | 88.7 | -8.86 | -9.08% | Dec 31, 2013 |
| Q3 2013 | 96.7 | +4.06 | +4.38% | Sep 30, 2013 |
| Q2 2013 | 98.7 | +3.76 | +3.96% | Jun 30, 2013 |
| Q1 2013 | 100 | -0.49 | -0.49% | Mar 31, 2013 |
| Q4 2012 | 97.5 | -10.2 | -9.48% | Dec 31, 2012 |
| Q3 2012 | 92.6 | -21.1 | -18.5% | Sep 30, 2012 |
| Q2 2012 | 94.9 | Jun 30, 2012 | ||
| Q1 2012 | 101 | Mar 31, 2012 | ||
| Q4 2011 | 108 | Dec 31, 2011 | ||
| Q3 2011 | 114 | Sep 30, 2011 |