| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 64.7 | -17.5 | -21.3% | Mar 31, 2024 | |
| Q4 2023 | 69.9 | -9.47 | -11.9% | Dec 31, 2023 | |
| Q3 2023 | 76.3 | +1.91 | +2.57% | Sep 30, 2023 | |
| Q2 2023 | 81.8 | +12.6 | +18.3% | Jun 30, 2023 | |
| Q1 2023 | 82.2 | +17.2 | +26.5% | Mar 31, 2023 | |
| Q4 2022 | 79.4 | +16.3 | +25.8% | Dec 31, 2022 | |
| Q3 2022 | 74.3 | +9.03 | +13.8% | Sep 30, 2022 | |
| Q2 2022 | 69.2 | +1.08 | +1.59% | Jun 30, 2022 | |
| Q1 2022 | 65 | -5.8 | -8.19% | Mar 31, 2022 | |
| Q4 2021 | 63.1 | -11.8 | -15.7% | Dec 31, 2021 | |
| Q3 2021 | 65.3 | -11.9 | -15.4% | Sep 30, 2021 | |
| Q2 2021 | 68.1 | -10.4 | -13.3% | Jun 30, 2021 | |
| Q1 2021 | 70.8 | -7 | -9% | Mar 31, 2021 | |
| Q4 2020 | 74.9 | -1.49 | -1.95% | Dec 31, 2020 | |
| Q3 2020 | 77.2 | -1.7 | -2.16% | Sep 30, 2020 | |
| Q2 2020 | 78.5 | -0.03 | -0.04% | Jun 30, 2020 | |
| Q1 2020 | 77.8 | -1.43 | -1.81% | Mar 31, 2020 | |
| Q4 2019 | 76.4 | +4.96 | +6.94% | Dec 31, 2019 | |
| Q3 2019 | 78.9 | +18.5 | +30.6% | Sep 30, 2019 | |
| Q2 2019 | 78.6 | +18.6 | +31% | Jun 30, 2019 | |
| Q1 2019 | 79.2 | +18.9 | +31.4% | Mar 31, 2019 | |
| Q4 2018 | 71.4 | +5.14 | +7.75% | Dec 31, 2018 | |
| Q3 2018 | 60.4 | -15.6 | -20.6% | Sep 30, 2018 | |
| Q2 2018 | 60 | -13.4 | -18.2% | Jun 30, 2018 | |
| Q1 2018 | 60.3 | -11 | -15.4% | Mar 31, 2018 | |
| Q4 2017 | 66.3 | -4.08 | -5.8% | Dec 31, 2017 | |
| Q3 2017 | 76 | +2.21 | +3% | Sep 30, 2017 | |
| Q2 2017 | 73.3 | -8.69 | -10.6% | Jun 30, 2017 | |
| Q1 2017 | 71.3 | -15.9 | -18.2% | Mar 31, 2017 | |
| Q4 2016 | 70.4 | -19.1 | -21.4% | Dec 31, 2016 | |
| Q3 2016 | 73.8 | -19.5 | -20.9% | Sep 30, 2016 | |
| Q2 2016 | 82 | -13 | -13.7% | Jun 30, 2016 | |
| Q1 2016 | 87.2 | -12.5 | -12.6% | Mar 31, 2016 | |
| Q4 2015 | 89.5 | -13 | -12.6% | Dec 31, 2015 | |
| Q3 2015 | 93.3 | -13.9 | -12.9% | Sep 30, 2015 | |
| Q2 2015 | 95 | -18.6 | -16.4% | Jun 30, 2015 | |
| Q1 2015 | 99.7 | -12.7 | -11.3% | Mar 31, 2015 | |
| Q4 2014 | 102 | -5.31 | -4.93% | Dec 31, 2014 | |
| Q3 2014 | 107 | +3.47 | +3.35% | Sep 30, 2014 | |
| Q2 2014 | 114 | +10.4 | +10% | Jun 30, 2014 | |
| Q1 2014 | 112 | +6.63 | +6.27% | Mar 31, 2014 | |
| Q4 2013 | 108 | -5.62 | -4.96% | Dec 31, 2013 | |
| Q3 2013 | 104 | -19.1 | -15.6% | Sep 30, 2013 | |
| Q2 2013 | 103 | -29.5 | -22.2% | Jun 30, 2013 | |
| Q1 2013 | 106 | -35.3 | -25% | Mar 31, 2013 | |
| Q4 2012 | 113 | Dec 31, 2012 | |||
| Q3 2012 | 123 | Sep 30, 2012 | |||
| Q2 2012 | 133 | Jun 30, 2012 | |||
| Q1 2012 | 141 | Mar 31, 2012 |