| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 60.9 | -9.71 | -13.8% | Mar 31, 2024 |
| Q4 2023 | 64.1 | -5.15 | -7.44% | Dec 31, 2023 |
| Q3 2023 | 67.3 | +1.71 | +2.61% | Sep 30, 2023 |
| Q2 2023 | 68.8 | +5.61 | +8.88% | Jun 30, 2023 |
| Q1 2023 | 70.6 | +3.92 | +5.88% | Mar 31, 2023 |
| Q4 2022 | 69.3 | -3.32 | -4.57% | Dec 31, 2022 |
| Q3 2022 | 65.6 | -14.9 | -18.5% | Sep 30, 2022 |
| Q2 2022 | 63.2 | -24.8 | -28.2% | Jun 30, 2022 |
| Q1 2022 | 66.7 | -24.8 | -27.1% | Mar 31, 2022 |
| Q4 2021 | 72.6 | -22.9 | -24% | Dec 31, 2021 |
| Q3 2021 | 80.5 | -18.4 | -18.6% | Sep 30, 2021 |
| Q2 2021 | 88 | -14.5 | -14.2% | Jun 30, 2021 |
| Q1 2021 | 91.4 | -4.07 | -4.26% | Mar 31, 2021 |
| Q4 2020 | 95.5 | +6.83 | +7.71% | Dec 31, 2020 |
| Q3 2020 | 98.9 | +15.8 | +19.1% | Sep 30, 2020 |
| Q2 2020 | 103 | +25 | +32.2% | Jun 30, 2020 |
| Q1 2020 | 95.5 | +14 | +17.1% | Mar 31, 2020 |
| Q4 2019 | 88.6 | +3.57 | +4.2% | Dec 31, 2019 |
| Q3 2019 | 83.1 | -6.39 | -7.14% | Sep 30, 2019 |
| Q2 2019 | 77.6 | -14.4 | -15.7% | Jun 30, 2019 |
| Q1 2019 | 81.5 | -14.2 | -14.8% | Mar 31, 2019 |
| Q4 2018 | 85.1 | -15.1 | -15.1% | Dec 31, 2018 |
| Q3 2018 | 89.5 | -14.6 | -14% | Sep 30, 2018 |
| Q2 2018 | 92 | -18 | -16.3% | Jun 30, 2018 |
| Q1 2018 | 95.7 | -8.65 | -8.29% | Mar 31, 2018 |
| Q4 2017 | 100 | +0.97 | +0.98% | Dec 31, 2017 |
| Q3 2017 | 104 | +9.63 | +10.2% | Sep 30, 2017 |
| Q2 2017 | 110 | +20.8 | +23.4% | Jun 30, 2017 |
| Q1 2017 | 104 | +19.4 | +22.8% | Mar 31, 2017 |
| Q4 2016 | 99.2 | +18.3 | +22.6% | Dec 31, 2016 |
| Q3 2016 | 94.4 | +17.6 | +22.9% | Sep 30, 2016 |
| Q2 2016 | 89.1 | +14.9 | +20% | Jun 30, 2016 |
| Q1 2016 | 85 | +10.5 | +14% | Mar 31, 2016 |
| Q4 2015 | 80.9 | +6.18 | +8.27% | Dec 31, 2015 |
| Q3 2015 | 76.8 | +3.11 | +4.22% | Sep 30, 2015 |
| Q2 2015 | 74.3 | +2.62 | +3.66% | Jun 30, 2015 |
| Q1 2015 | 74.6 | -2.41 | -3.13% | Mar 31, 2015 |
| Q4 2014 | 74.7 | -9.39 | -11.2% | Dec 31, 2014 |
| Q3 2014 | 73.7 | -20.2 | -21.5% | Sep 30, 2014 |
| Q2 2014 | 71.7 | -33.2 | -31.7% | Jun 30, 2014 |
| Q1 2014 | 77 | -29.4 | -27.7% | Mar 31, 2014 |
| Q4 2013 | 84.1 | -23.3 | -21.7% | Dec 31, 2013 |
| Q3 2013 | 93.9 | -15.1 | -13.8% | Sep 30, 2013 |
| Q2 2013 | 105 | -6.54 | -5.87% | Jun 30, 2013 |
| Q1 2013 | 106 | Mar 31, 2013 | ||
| Q4 2012 | 107 | Dec 31, 2012 | ||
| Q3 2012 | 109 | Sep 30, 2012 | ||
| Q2 2012 | 111 | Jun 30, 2012 |