| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 87.3 | +1.6 | +1.87% | Apr 20, 2024 |
| Q4 2023 | 86.8 | +2.36 | +2.79% | Dec 30, 2023 |
| Q3 2023 | 85.2 | +1.01 | +1.2% | Oct 7, 2023 |
| Q2 2023 | 86.2 | +4.67 | +5.73% | Jul 15, 2023 |
| Q1 2023 | 85.7 | +4.43 | +5.45% | Apr 22, 2023 |
| Q4 2022 | 84.5 | +0.47 | +0.56% | Dec 31, 2022 |
| Q3 2022 | 84.2 | +0.53 | +0.63% | Oct 8, 2022 |
| Q2 2022 | 81.5 | -3.73 | -4.38% | Jul 16, 2022 |
| Q1 2022 | 81.2 | -3.62 | -4.27% | Apr 23, 2022 |
| Q4 2021 | 84 | +3.84 | +4.79% | Jan 1, 2022 |
| Q3 2021 | 83.7 | -0.13 | -0.16% | Oct 9, 2021 |
| Q2 2021 | 85.3 | -1.64 | -1.89% | Jul 17, 2021 |
| Q1 2021 | 84.9 | -6.8 | -7.42% | Apr 24, 2021 |
| Q4 2020 | 80.2 | -19.9 | -19.9% | Jan 2, 2021 |
| Q3 2020 | 83.8 | -21 | -20.1% | Oct 3, 2020 |
| Q2 2020 | 86.9 | -22.4 | -20.5% | Jul 11, 2020 |
| Q1 2020 | 91.7 | -22 | -19.3% | Apr 18, 2020 |
| Q4 2019 | 100 | -17.9 | -15.2% | Dec 28, 2019 |
| Q3 2019 | 105 | -14.3 | -12% | Oct 5, 2019 |
| Q2 2019 | 109 | -7.63 | -6.53% | Jul 13, 2019 |
| Q1 2019 | 114 | -0.88 | -0.77% | Apr 20, 2019 |
| Q4 2018 | 118 | +6.7 | +6.02% | Dec 29, 2018 |
| Q3 2018 | 119 | +11.2 | +10.4% | Oct 6, 2018 |
| Q2 2018 | 117 | +8.98 | +8.32% | Jul 14, 2018 |
| Q1 2018 | 115 | +4.74 | +4.32% | Apr 21, 2018 |
| Q4 2017 | 111 | -0.31 | -0.28% | Dec 30, 2017 |
| Q3 2017 | 108 | -3.8 | -3.4% | Oct 7, 2017 |
| Q2 2017 | 108 | -4.78 | -4.24% | Jul 15, 2017 |
| Q1 2017 | 110 | -1.27 | -1.14% | Apr 22, 2017 |
| Q4 2016 | 112 | +1.51 | +1.37% | Dec 31, 2016 |
| Q3 2016 | 112 | -2.86 | -2.5% | Oct 8, 2016 |
| Q2 2016 | 113 | -1.98 | -1.73% | Jul 16, 2016 |
| Q1 2016 | 111 | -3.33 | -2.91% | Apr 23, 2016 |
| Q4 2015 | 110 | -3.81 | -3.35% | Jan 2, 2016 |
| Q3 2015 | 115 | +3.73 | +3.37% | Oct 10, 2015 |
| Q2 2015 | 115 | +8.6 | +8.11% | Jul 18, 2015 |
| Q1 2015 | 114 | +13.7 | +13.6% | Apr 25, 2015 |
| Q4 2014 | 114 | +24.5 | +27.4% | Jan 3, 2015 |
| Q3 2014 | 111 | +40.5 | +57.5% | Oct 4, 2014 |
| Q2 2014 | 106 | +35.1 | +49.3% | Jul 12, 2014 |
| Q1 2014 | 101 | +29.6 | +41.6% | Apr 19, 2014 |
| Q4 2013 | 89.4 | +20.9 | +30.5% | Dec 28, 2013 |
| Q3 2013 | 70.4 | +6.99 | +11% | Sep 14, 2013 |
| Q2 2013 | 71.1 | +9.64 | +15.7% | Jun 22, 2013 |
| Q1 2013 | 71.1 | +9.74 | +15.9% | Mar 30, 2013 |
| Q4 2012 | 68.5 | +5.02 | +7.91% | Jan 5, 2013 |
| Q3 2012 | 63.4 | Sep 15, 2012 | ||
| Q2 2012 | 61.4 | Jun 23, 2012 | ||
| Q1 2012 | 61.4 | Mar 31, 2012 | ||
| Q4 2011 | 63.5 | Dec 31, 2011 |