| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 85.5 | +1.14 | +1.35% | Sep 30, 2024 |
| Q2 2024 | 84.4 | +0.45 | +0.54% | Jun 30, 2024 |
| Q1 2024 | 84.8 | +0.9 | +1.07% | Mar 31, 2024 |
| Q4 2023 | 85.6 | +1.79 | +2.14% | Dec 31, 2023 |
| Q3 2023 | 84.4 | +0.79 | +0.95% | Sep 30, 2023 |
| Q2 2023 | 83.9 | -0.1 | -0.12% | Jun 30, 2023 |
| Q1 2023 | 83.9 | -2.86 | -3.3% | Mar 31, 2023 |
| Q4 2022 | 83.8 | -7.56 | -8.28% | Dec 31, 2022 |
| Q3 2022 | 83.6 | -13.4 | -13.8% | Sep 30, 2022 |
| Q2 2022 | 84 | -21.2 | -20.1% | Jun 30, 2022 |
| Q1 2022 | 86.8 | -19.8 | -18.6% | Mar 31, 2022 |
| Q4 2021 | 91.3 | -21.7 | -19.2% | Dec 31, 2021 |
| Q3 2021 | 97 | -20.7 | -17.6% | Sep 30, 2021 |
| Q2 2021 | 105 | -16.4 | -13.5% | Jun 30, 2021 |
| Q1 2021 | 107 | -15.2 | -12.5% | Mar 31, 2021 |
| Q4 2020 | 113 | -2.01 | -1.75% | Dec 31, 2020 |
| Q3 2020 | 118 | +7.56 | +6.87% | Sep 30, 2020 |
| Q2 2020 | 122 | +16.1 | +15.2% | Jun 30, 2020 |
| Q1 2020 | 122 | +16.3 | +15.4% | Mar 31, 2020 |
| Q4 2019 | 115 | +9.01 | +8.5% | Dec 31, 2019 |
| Q3 2019 | 110 | +1.33 | +1.22% | Sep 30, 2019 |
| Q2 2019 | 105 | -7.1 | -6.31% | Jun 30, 2019 |
| Q1 2019 | 106 | -9.17 | -7.99% | Mar 31, 2019 |
| Q4 2018 | 106 | -9.6 | -8.31% | Dec 31, 2018 |
| Q3 2018 | 109 | -5.28 | -4.63% | Sep 30, 2018 |
| Q2 2018 | 113 | +1.85 | +1.67% | Jun 30, 2018 |
| Q1 2018 | 115 | +5.25 | +4.8% | Mar 31, 2018 |
| Q4 2017 | 116 | +5.71 | +5.2% | Dec 31, 2017 |
| Q3 2017 | 114 | +1.44 | +1.28% | Sep 30, 2017 |
| Q2 2017 | 111 | -6.56 | -5.59% | Jun 30, 2017 |
| Q1 2017 | 109 | -11.7 | -9.66% | Mar 31, 2017 |
| Q4 2016 | 110 | -15.3 | -12.2% | Dec 31, 2016 |
| Q3 2016 | 113 | -10.2 | -8.3% | Sep 30, 2016 |
| Q2 2016 | 117 | -2.39 | -2% | Jun 30, 2016 |
| Q1 2016 | 121 | +3.96 | +3.38% | Mar 31, 2016 |
| Q4 2015 | 125 | +13.1 | +11.7% | Dec 31, 2015 |
| Q3 2015 | 123 | +12.4 | +11.2% | Sep 30, 2015 |
| Q2 2015 | 120 | +11 | +10.1% | Jun 30, 2015 |
| Q1 2015 | 117 | +10.8 | +10.1% | Mar 31, 2015 |
| Q4 2014 | 112 | +6.45 | +6.11% | Dec 31, 2014 |
| Q3 2014 | 110 | +5.94 | +5.69% | Sep 30, 2014 |
| Q2 2014 | 109 | +7.52 | +7.43% | Jun 30, 2014 |
| Q1 2014 | 106 | +8.35 | +8.51% | Mar 31, 2014 |
| Q4 2013 | 106 | +11.8 | +12.6% | Dec 31, 2013 |
| Q3 2013 | 104 | +10.8 | +11.5% | Sep 30, 2013 |
| Q2 2013 | 101 | +7.14 | +7.59% | Jun 30, 2013 |
| Q1 2013 | 98.1 | +4.68 | +5.01% | Mar 31, 2013 |
| Q4 2012 | 93.8 | -1.77 | -1.85% | Dec 31, 2012 |
| Q3 2012 | 93.7 | -0.21 | -0.22% | Sep 30, 2012 |
| Q2 2012 | 94 | +0.95 | +1.02% | Jun 30, 2012 |
| Q1 2012 | 93.4 | -1.32 | -1.39% | Mar 31, 2012 |
| Q4 2011 | 95.5 | -1.47 | -1.52% | Dec 31, 2011 |
| Q3 2011 | 93.9 | Sep 30, 2011 | ||
| Q2 2011 | 93.1 | Jun 30, 2011 | ||
| Q1 2011 | 94.7 | Mar 31, 2011 | ||
| Q4 2010 | 97 | Dec 31, 2010 |