| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 94.9 | -6.69 | -6.58% | Mar 31, 2024 |
| Q4 2023 | 92.7 | -13.3 | -12.5% | Dec 31, 2023 |
| Q3 2023 | 94.3 | -13.1 | -12.2% | Sep 30, 2023 |
| Q2 2023 | 96.1 | -11.8 | -10.9% | Jun 30, 2023 |
| Q1 2023 | 102 | -6.82 | -6.29% | Mar 31, 2023 |
| Q4 2022 | 106 | -4.66 | -4.21% | Dec 31, 2022 |
| Q3 2022 | 107 | -4.15 | -3.72% | Sep 30, 2022 |
| Q2 2022 | 108 | -6.61 | -5.77% | Jun 30, 2022 |
| Q1 2022 | 108 | -10.6 | -8.93% | Mar 31, 2022 |
| Q4 2021 | 111 | -12.2 | -9.91% | Dec 31, 2021 |
| Q3 2021 | 112 | -19.1 | -14.6% | Sep 30, 2021 |
| Q2 2021 | 115 | -12.4 | -9.73% | Jun 30, 2021 |
| Q1 2021 | 119 | -6.28 | -5.01% | Mar 31, 2021 |
| Q4 2020 | 123 | -1.76 | -1.41% | Dec 31, 2020 |
| Q3 2020 | 131 | +5.27 | +4.2% | Sep 30, 2020 |
| Q2 2020 | 127 | -0.78 | -0.61% | Jun 30, 2020 |
| Q1 2020 | 125 | -2.16 | -1.69% | Mar 31, 2020 |
| Q4 2019 | 125 | +0.01 | +0.01% | Dec 31, 2019 |
| Q3 2019 | 125 | +1.99 | +1.61% | Sep 30, 2019 |
| Q2 2019 | 128 | -1.8 | -1.39% | Jun 30, 2019 |
| Q1 2019 | 128 | +6.78 | +5.62% | Mar 31, 2019 |
| Q4 2018 | 125 | +10.1 | +8.81% | Dec 31, 2018 |
| Q3 2018 | 123 | +17.2 | +16.2% | Sep 30, 2018 |
| Q2 2018 | 129 | +29.7 | +29.8% | Jun 30, 2018 |
| Q1 2018 | 121 | +17.7 | +17.2% | Mar 31, 2018 |
| Q4 2017 | 114 | +5.87 | +5.41% | Dec 31, 2017 |
| Q3 2017 | 106 | -3.03 | -2.78% | Sep 30, 2017 |
| Q2 2017 | 99.8 | -4.99 | -4.76% | Jun 30, 2017 |
| Q1 2017 | 103 | +0.6 | +0.59% | Mar 31, 2017 |
| Q4 2016 | 109 | +7.75 | +7.69% | Dec 31, 2016 |
| Q3 2016 | 109 | +4.11 | +3.91% | Sep 30, 2016 |
| Q2 2016 | 105 | -5.41 | -4.91% | Jun 30, 2016 |
| Q1 2016 | 102 | -12.3 | -10.7% | Mar 31, 2016 |
| Q4 2015 | 101 | -17.2 | -14.6% | Dec 31, 2015 |
| Q3 2015 | 105 | -14.9 | -12.4% | Sep 30, 2015 |
| Q2 2015 | 110 | -10.5 | -8.69% | Jun 30, 2015 |
| Q1 2015 | 115 | -7.1 | -5.83% | Mar 31, 2015 |
| Q4 2014 | 118 | -3.2 | -2.64% | Dec 31, 2014 |
| Q3 2014 | 120 | +2.68 | +2.29% | Sep 30, 2014 |
| Q2 2014 | 121 | +9.07 | +8.13% | Jun 30, 2014 |
| Q1 2014 | 122 | +15.5 | +14.5% | Mar 31, 2014 |
| Q4 2013 | 121 | +16.7 | +15.9% | Dec 31, 2013 |
| Q3 2013 | 117 | +14.2 | +13.8% | Sep 30, 2013 |
| Q2 2013 | 112 | +2.97 | +2.73% | Jun 30, 2013 |
| Q1 2013 | 106 | -7.75 | -6.79% | Mar 31, 2013 |
| Q4 2012 | 105 | -13.2 | -11.2% | Dec 31, 2012 |
| Q3 2012 | 103 | -18.5 | -15.2% | Sep 30, 2012 |
| Q2 2012 | 109 | -11.2 | -9.32% | Jun 30, 2012 |
| Q1 2012 | 114 | -5.86 | -4.89% | Mar 31, 2012 |
| Q4 2011 | 118 | -2.15 | -1.79% | Dec 31, 2011 |
| Q3 2011 | 122 | Sep 30, 2011 | ||
| Q2 2011 | 120 | Jun 30, 2011 | ||
| Q1 2011 | 120 | Mar 31, 2011 | ||
| Q4 2010 | 120 | Dec 31, 2010 |