| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2024 | 80.5 | +3.71 | +4.83% | Dec 31, 2024 |
| Q3 2024 | 78.6 | +1.84 | +2.4% | Sep 30, 2024 |
| Q2 2024 | 76.1 | -0.87 | -1.13% | Jun 30, 2024 |
| Q1 2024 | 76.7 | -1.68 | -2.15% | Mar 31, 2024 |
| Q4 2023 | 76.8 | -4.1 | -5.07% | Dec 31, 2023 |
| Q3 2023 | 76.8 | -6.73 | -8.06% | Sep 30, 2023 |
| Q2 2023 | 76.9 | -8.89 | -10.4% | Jun 30, 2023 |
| Q1 2023 | 78.3 | -9.15 | -10.5% | Mar 31, 2023 |
| Q4 2022 | 80.9 | -7.41 | -8.39% | Dec 31, 2022 |
| Q3 2022 | 83.5 | -4.99 | -5.64% | Sep 30, 2022 |
| Q2 2022 | 85.8 | -3.54 | -3.96% | Jun 30, 2022 |
| Q1 2022 | 87.5 | -1.93 | -2.16% | Mar 31, 2022 |
| Q4 2021 | 88.3 | -2.06 | -2.28% | Dec 31, 2021 |
| Q3 2021 | 88.5 | -4.65 | -4.99% | Sep 30, 2021 |
| Q2 2021 | 89.4 | -5.89 | -6.18% | Jun 30, 2021 |
| Q1 2021 | 89.4 | -8.43 | -8.62% | Mar 31, 2021 |
| Q4 2020 | 90.3 | -9.33 | -9.36% | Dec 31, 2020 |
| Q3 2020 | 93.1 | -5.53 | -5.61% | Sep 30, 2020 |
| Q2 2020 | 95.3 | -2.14 | -2.2% | Jun 30, 2020 |
| Q1 2020 | 97.8 | +1.97 | +2.06% | Mar 31, 2020 |
| Q4 2019 | 99.7 | +5.76 | +6.13% | Dec 31, 2019 |
| Q3 2019 | 98.7 | +4.63 | +4.92% | Sep 30, 2019 |
| Q2 2019 | 97.4 | +3.11 | +3.3% | Jun 30, 2019 |
| Q1 2019 | 95.9 | +1.44 | +1.53% | Mar 31, 2019 |
| Q4 2018 | 93.9 | -1.09 | -1.15% | Dec 31, 2018 |
| Q3 2018 | 94 | -1.17 | -1.23% | Sep 30, 2018 |
| Q2 2018 | 94.3 | -2.94 | -3.02% | Jun 30, 2018 |
| Q1 2018 | 94.4 | +0.13 | +0.14% | Mar 31, 2018 |
| Q4 2017 | 95 | +3.06 | +3.33% | Dec 31, 2017 |
| Q3 2017 | 95.2 | -0.99 | -1.03% | Sep 30, 2017 |
| Q2 2017 | 97.2 | -1.08 | -1.1% | Jun 30, 2017 |
| Q1 2017 | 94.3 | -11.2 | -10.6% | Mar 31, 2017 |
| Q4 2016 | 91.9 | -21 | -18.6% | Dec 31, 2016 |
| Q3 2016 | 96.2 | -16.8 | -14.9% | Sep 30, 2016 |
| Q2 2016 | 98.3 | -15.1 | -13.3% | Jun 30, 2016 |
| Q1 2016 | 105 | -8.94 | -7.81% | Mar 31, 2016 |
| Q4 2015 | 113 | -1.24 | -1.09% | Dec 31, 2015 |
| Q3 2015 | 113 | -0.56 | -0.49% | Sep 30, 2015 |
| Q2 2015 | 113 | -1.06 | -0.93% | Jun 30, 2015 |
| Q1 2015 | 114 | -1.2 | -1.04% | Mar 31, 2015 |
| Q4 2014 | 114 | -5.05 | -4.24% | Dec 31, 2014 |
| Q3 2014 | 114 | -9.59 | -7.79% | Sep 30, 2014 |
| Q2 2014 | 114 | -18.1 | -13.7% | Jun 30, 2014 |
| Q1 2014 | 116 | -29.3 | -20.2% | Mar 31, 2014 |
| Q4 2013 | 119 | -38.8 | -24.5% | Dec 31, 2013 |
| Q3 2013 | 123 | -50.6 | -29.1% | Sep 30, 2013 |
| Q2 2013 | 133 | -40.8 | -23.5% | Jun 30, 2013 |
| Q1 2013 | 145 | -29.1 | -16.7% | Mar 31, 2013 |
| Q4 2012 | 158 | -21.4 | -11.9% | Dec 31, 2012 |
| Q3 2012 | 174 | -11.4 | -6.18% | Sep 30, 2012 |
| Q2 2012 | 173 | -26.9 | -13.5% | Jun 30, 2012 |
| Q1 2012 | 174 | -36.2 | -17.2% | Mar 31, 2012 |
| Q4 2011 | 179 | -32.6 | -15.4% | Dec 31, 2011 |
| Q3 2011 | 185 | Sep 30, 2011 | ||
| Q2 2011 | 200 | Jun 30, 2011 | ||
| Q1 2011 | 210 | Mar 31, 2011 | ||
| Q4 2010 | 212 | Dec 31, 2010 |