| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 41 | -9.97 | -19.6% | Jun 30, 2024 |
| Q1 2024 | 42.8 | -9.73 | -18.5% | Mar 31, 2024 |
| Q4 2023 | 44.6 | -9.11 | -16.9% | Dec 31, 2023 |
| Q3 2023 | 47.6 | -3.94 | -7.65% | Sep 30, 2023 |
| Q2 2023 | 50.9 | +0.32 | +0.63% | Jun 30, 2023 |
| Q1 2023 | 52.6 | +2.55 | +5.1% | Mar 31, 2023 |
| Q4 2022 | 53.8 | +4.11 | +8.28% | Dec 31, 2022 |
| Q3 2022 | 51.5 | +0.66 | +1.3% | Sep 30, 2022 |
| Q2 2022 | 50.6 | -0.2 | -0.39% | Jun 30, 2022 |
| Q1 2022 | 50 | +1.47 | +3.03% | Mar 31, 2022 |
| Q4 2021 | 49.6 | +3.78 | +8.24% | Dec 31, 2021 |
| Q3 2021 | 50.8 | +3.68 | +7.81% | Sep 30, 2021 |
| Q2 2021 | 50.8 | +1.25 | +2.52% | Jun 30, 2021 |
| Q1 2021 | 48.5 | -4.33 | -8.19% | Mar 31, 2021 |
| Q4 2020 | 45.9 | -13.1 | -22.2% | Dec 31, 2020 |
| Q3 2020 | 47.2 | -11.9 | -20.1% | Sep 30, 2020 |
| Q2 2020 | 49.6 | -7.86 | -13.7% | Jun 30, 2020 |
| Q1 2020 | 52.9 | -4.37 | -7.63% | Mar 31, 2020 |
| Q4 2019 | 59 | +2.1 | +3.69% | Dec 31, 2019 |
| Q3 2019 | 59 | +0.19 | +0.32% | Sep 30, 2019 |
| Q2 2019 | 57.4 | +0.64 | +1.13% | Jun 30, 2019 |
| Q1 2019 | 57.3 | -1.05 | -1.8% | Mar 31, 2019 |
| Q4 2018 | 56.9 | -3.86 | -6.36% | Dec 31, 2018 |
| Q3 2018 | 58.9 | +0.44 | +0.75% | Sep 30, 2018 |
| Q2 2018 | 56.8 | -7.61 | -11.8% | Jun 30, 2018 |
| Q1 2018 | 58.3 | -5.65 | -8.83% | Mar 31, 2018 |
| Q4 2017 | 60.7 | -0.11 | -0.18% | Dec 31, 2017 |
| Q3 2017 | 58.4 | -6.43 | -9.92% | Sep 30, 2017 |
| Q2 2017 | 64.4 | -2.15 | -3.23% | Jun 30, 2017 |
| Q1 2017 | 64 | -5.71 | -8.2% | Mar 31, 2017 |
| Q4 2016 | 60.8 | -13.8 | -18.5% | Dec 31, 2016 |
| Q3 2016 | 64.8 | -2.75 | -4.07% | Sep 30, 2016 |
| Q2 2016 | 66.5 | +3.98 | +6.36% | Jun 30, 2016 |
| Q1 2016 | 69.7 | +10.9 | +18.5% | Mar 31, 2016 |
| Q4 2015 | 74.7 | +18.2 | +32.3% | Dec 31, 2015 |
| Q3 2015 | 67.6 | +7.92 | +13.3% | Sep 30, 2015 |
| Q2 2015 | 62.6 | -1.55 | -2.42% | Jun 30, 2015 |
| Q1 2015 | 58.8 | -9.54 | -14% | Mar 31, 2015 |
| Q4 2014 | 56.5 | -14 | -19.9% | Dec 31, 2014 |
| Q3 2014 | 59.7 | -12.4 | -17.2% | Sep 30, 2014 |
| Q2 2014 | 64.1 | -9.85 | -13.3% | Jun 30, 2014 |
| Q1 2014 | 68.3 | -2.52 | -3.56% | Mar 31, 2014 |
| Q4 2013 | 70.5 | +1.98 | +2.89% | Dec 31, 2013 |
| Q3 2013 | 72.1 | +7.92 | +12.3% | Sep 30, 2013 |
| Q2 2013 | 74 | +14 | +23.4% | Jun 30, 2013 |
| Q1 2013 | 70.8 | +10.1 | +16.6% | Mar 31, 2013 |
| Q4 2012 | 68.5 | +7.02 | +11.4% | Dec 31, 2012 |
| Q3 2012 | 64.2 | +0.27 | +0.42% | Sep 30, 2012 |
| Q2 2012 | 59.9 | -2.25 | -3.62% | Jun 30, 2012 |
| Q1 2012 | 60.8 | +2.14 | +3.65% | Mar 31, 2012 |
| Q4 2011 | 61.5 | Dec 31, 2011 | ||
| Q3 2011 | 63.9 | Sep 30, 2011 | ||
| Q2 2011 | 62.2 | Jun 30, 2011 | ||
| Q1 2011 | 58.6 | Mar 31, 2011 |