| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 33.9 | -7.51 | -18.2% | Mar 31, 2024 |
| Q4 2023 | 36.3 | -6.35 | -14.9% | Dec 31, 2023 |
| Q3 2023 | 38.2 | -4.52 | -10.6% | Sep 30, 2023 |
| Q2 2023 | 40.1 | -1.88 | -4.48% | Jun 30, 2023 |
| Q1 2023 | 41.4 | +1.63 | +4.1% | Mar 31, 2023 |
| Q4 2022 | 42.7 | +5.21 | +13.9% | Dec 31, 2022 |
| Q3 2022 | 42.8 | +7.35 | +20.8% | Sep 30, 2022 |
| Q2 2022 | 42 | +8.24 | +24.4% | Jun 30, 2022 |
| Q1 2022 | 39.7 | +5.52 | +16.1% | Mar 31, 2022 |
| Q4 2021 | 37.5 | +2.68 | +7.7% | Dec 31, 2021 |
| Q3 2021 | 35.4 | -0.43 | -1.2% | Sep 30, 2021 |
| Q2 2021 | 33.7 | -2.37 | -6.57% | Jun 30, 2021 |
| Q1 2021 | 34.2 | -2.54 | -6.91% | Mar 31, 2021 |
| Q4 2020 | 34.8 | -3 | -7.94% | Dec 31, 2020 |
| Q3 2020 | 35.8 | -3.04 | -7.82% | Sep 30, 2020 |
| Q2 2020 | 36.1 | -5.81 | -13.9% | Jun 30, 2020 |
| Q1 2020 | 36.8 | -7.89 | -17.7% | Mar 31, 2020 |
| Q4 2019 | 37.8 | -10.8 | -22.2% | Dec 31, 2019 |
| Q3 2019 | 38.9 | -12 | -23.6% | Sep 30, 2019 |
| Q2 2019 | 41.9 | -10.4 | -19.9% | Jun 30, 2019 |
| Q1 2019 | 44.6 | -7.81 | -14.9% | Mar 31, 2019 |
| Q4 2018 | 48.6 | -2.33 | -4.58% | Dec 31, 2018 |
| Q3 2018 | 50.9 | -1.08 | -2.08% | Sep 30, 2018 |
| Q2 2018 | 52.3 | +0.18 | +0.35% | Jun 30, 2018 |
| Q1 2018 | 52.5 | -1.22 | -2.27% | Mar 31, 2018 |
| Q4 2017 | 50.9 | -4.62 | -8.32% | Dec 31, 2017 |
| Q3 2017 | 51.9 | -3.46 | -6.25% | Sep 30, 2017 |
| Q2 2017 | 52.1 | -2.4 | -4.4% | Jun 30, 2017 |
| Q1 2017 | 53.7 | +1.52 | +2.91% | Mar 31, 2017 |
| Q4 2016 | 55.5 | +6.25 | +12.7% | Dec 31, 2016 |
| Q3 2016 | 55.4 | +9.41 | +20.5% | Sep 30, 2016 |
| Q2 2016 | 54.5 | +12.2 | +28.9% | Jun 30, 2016 |
| Q1 2016 | 52.2 | +12.5 | +31.6% | Mar 31, 2016 |
| Q4 2015 | 49.3 | +8.49 | +20.8% | Dec 31, 2015 |
| Q3 2015 | 46 | +4.96 | +12.1% | Sep 30, 2015 |
| Q2 2015 | 42.3 | -0.44 | -1.03% | Jun 30, 2015 |
| Q1 2015 | 39.6 | -8.9 | -18.3% | Mar 31, 2015 |
| Q4 2014 | 40.8 | -3.11 | -7.08% | Dec 31, 2014 |
| Q3 2014 | 41 | -7.54 | -15.5% | Sep 30, 2014 |
| Q2 2014 | 42.7 | -12.9 | -23.1% | Jun 30, 2014 |
| Q1 2014 | 48.5 | -10.2 | -17.4% | Mar 31, 2014 |
| Q4 2013 | 43.9 | -18.1 | -29.2% | Dec 31, 2013 |
| Q3 2013 | 48.6 | -10.8 | -18.2% | Sep 30, 2013 |
| Q2 2013 | 55.6 | +2.65 | +5.01% | Jun 30, 2013 |
| Q1 2013 | 58.7 | +15.8 | +36.8% | Mar 31, 2013 |
| Q4 2012 | 62 | Dec 31, 2012 | ||
| Q3 2012 | 59.3 | Sep 30, 2012 | ||
| Q2 2012 | 52.9 | Jun 30, 2012 | ||
| Q1 2012 | 42.9 | Mar 31, 2012 |