| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 62.2 | -26.6 | -30% | Mar 31, 2024 |
| Q4 2023 | 67 | -24 | -26.4% | Dec 31, 2023 |
| Q3 2023 | 73.6 | -23.3 | -24% | Sep 30, 2023 |
| Q2 2023 | 81.6 | -18.2 | -18.2% | Jun 30, 2023 |
| Q1 2023 | 88.8 | -13.4 | -13.1% | Mar 31, 2023 |
| Q4 2022 | 91 | -14.9 | -14% | Dec 31, 2022 |
| Q3 2022 | 96.9 | -4.18 | -4.14% | Sep 30, 2022 |
| Q2 2022 | 99.8 | +6.43 | +6.88% | Jun 30, 2022 |
| Q1 2022 | 102 | +13.8 | +15.6% | Mar 31, 2022 |
| Q4 2021 | 106 | +24.7 | +30.5% | Dec 31, 2021 |
| Q3 2021 | 101 | +22.5 | +28.7% | Sep 30, 2021 |
| Q2 2021 | 93.4 | +11.9 | +14.6% | Jun 30, 2021 |
| Q1 2021 | 88.4 | +7.34 | +9.06% | Mar 31, 2021 |
| Q4 2020 | 81.1 | -3.78 | -4.45% | Dec 31, 2020 |
| Q3 2020 | 78.5 | -7.79 | -9.03% | Sep 30, 2020 |
| Q2 2020 | 81.5 | -3.28 | -3.87% | Jun 30, 2020 |
| Q1 2020 | 81.1 | -4.17 | -4.89% | Mar 31, 2020 |
| Q4 2019 | 84.9 | +1.74 | +2.09% | Dec 31, 2019 |
| Q3 2019 | 86.3 | +5.86 | +7.28% | Sep 30, 2019 |
| Q2 2019 | 84.8 | +4.56 | +5.68% | Jun 30, 2019 |
| Q1 2019 | 85.2 | +3.54 | +4.33% | Mar 31, 2019 |
| Q4 2018 | 83.2 | -2.62 | -3.05% | Dec 31, 2018 |
| Q3 2018 | 80.5 | -9.08 | -10.1% | Sep 30, 2018 |
| Q2 2018 | 80.2 | -10.6 | -11.7% | Jun 30, 2018 |
| Q1 2018 | 81.7 | -8.47 | -9.4% | Mar 31, 2018 |
| Q4 2017 | 85.8 | -2.56 | -2.9% | Dec 31, 2017 |
| Q3 2017 | 89.5 | +1.23 | +1.39% | Sep 30, 2017 |
| Q2 2017 | 90.8 | +3.12 | +3.56% | Jun 30, 2017 |
| Q1 2017 | 90.2 | +5.2 | +6.12% | Mar 31, 2017 |
| Q4 2016 | 88.3 | +3.83 | +4.53% | Dec 31, 2016 |
| Q3 2016 | 88.3 | +3.48 | +4.1% | Sep 30, 2016 |
| Q2 2016 | 87.7 | +8.38 | +10.6% | Jun 30, 2016 |
| Q1 2016 | 85 | +5.7 | +7.19% | Mar 31, 2016 |
| Q4 2015 | 84.5 | +7.66 | +9.97% | Dec 31, 2015 |
| Q3 2015 | 84.8 | +10.7 | +14.5% | Sep 30, 2015 |
| Q2 2015 | 79.3 | +2.07 | +2.68% | Jun 30, 2015 |
| Q1 2015 | 79.3 | +3.98 | +5.29% | Mar 31, 2015 |
| Q4 2014 | 76.9 | +2.37 | +3.18% | Dec 31, 2014 |
| Q3 2014 | 74.1 | -1.37 | -1.82% | Sep 30, 2014 |
| Q2 2014 | 77.3 | +0.35 | +0.46% | Jun 30, 2014 |
| Q1 2014 | 75.3 | -8.51 | -10.2% | Mar 31, 2014 |
| Q4 2013 | 74.5 | -17.6 | -19.1% | Dec 31, 2013 |
| Q3 2013 | 75.5 | -23.7 | -23.9% | Sep 30, 2013 |
| Q2 2013 | 76.9 | -28.2 | -26.8% | Jun 30, 2013 |
| Q1 2013 | 83.8 | -20.5 | -19.7% | Mar 31, 2013 |
| Q4 2012 | 92 | -10.1 | -9.86% | Dec 31, 2012 |
| Q3 2012 | 99.2 | -1.3 | -1.29% | Sep 30, 2012 |
| Q2 2012 | 105 | +4.93 | +4.92% | Jun 30, 2012 |
| Q1 2012 | 104 | +5.03 | +5.07% | Mar 31, 2012 |
| Q4 2011 | 102 | Dec 31, 2011 | ||
| Q3 2011 | 100 | Sep 30, 2011 | ||
| Q2 2011 | 100 | Jun 30, 2011 | ||
| Q1 2011 | 99.3 | Mar 31, 2011 |