| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 108 | -6.3 | -5.49% | Mar 31, 2024 |
| Q4 2023 | 118 | +4.89 | +4.32% | Dec 31, 2023 |
| Q3 2023 | 115 | -0.38 | -0.33% | Sep 30, 2023 |
| Q2 2023 | 115 | -0.11 | -0.1% | Jun 30, 2023 |
| Q1 2023 | 115 | +0.91 | +0.8% | Mar 31, 2023 |
| Q4 2022 | 113 | -0.43 | -0.38% | Dec 31, 2022 |
| Q3 2022 | 116 | +2.58 | +2.29% | Sep 30, 2022 |
| Q2 2022 | 115 | +0.42 | +0.37% | Jun 30, 2022 |
| Q1 2022 | 114 | -4.87 | -4.1% | Mar 31, 2022 |
| Q4 2021 | 114 | -4.7 | -3.98% | Dec 31, 2021 |
| Q3 2021 | 113 | +0.64 | +0.57% | Sep 30, 2021 |
| Q2 2021 | 115 | +9.23 | +8.74% | Jun 30, 2021 |
| Q1 2021 | 119 | +16.7 | +16.3% | Mar 31, 2021 |
| Q4 2020 | 118 | +17.1 | +16.9% | Dec 31, 2020 |
| Q3 2020 | 112 | +10.1 | +9.86% | Sep 30, 2020 |
| Q2 2020 | 106 | +2.43 | +2.35% | Jun 30, 2020 |
| Q1 2020 | 102 | -0.52 | -0.51% | Mar 31, 2020 |
| Q4 2019 | 101 | +0.85 | +0.85% | Dec 31, 2019 |
| Q3 2019 | 102 | +3.94 | +4.01% | Sep 30, 2019 |
| Q2 2019 | 103 | +5.09 | +5.19% | Jun 30, 2019 |
| Q1 2019 | 103 | +5.27 | +5.42% | Mar 31, 2019 |
| Q4 2018 | 100 | +6.8 | +7.28% | Dec 31, 2018 |
| Q3 2018 | 98.3 | +7.03 | +7.71% | Sep 30, 2018 |
| Q2 2018 | 98.1 | +9.16 | +10.3% | Jun 30, 2018 |
| Q1 2018 | 97.2 | +11.1 | +12.9% | Mar 31, 2018 |
| Q4 2017 | 93.5 | +9.32 | +11.1% | Dec 31, 2017 |
| Q3 2017 | 91.2 | +8.93 | +10.9% | Sep 30, 2017 |
| Q2 2017 | 89 | +7.03 | +8.58% | Jun 30, 2017 |
| Q1 2017 | 86.1 | -1.74 | -1.98% | Mar 31, 2017 |
| Q4 2016 | 84.2 | -11.1 | -11.7% | Dec 31, 2016 |
| Q3 2016 | 82.3 | -21.6 | -20.8% | Sep 30, 2016 |
| Q2 2016 | 82 | -29.2 | -26.3% | Jun 30, 2016 |
| Q1 2016 | 87.9 | -21.8 | -19.8% | Mar 31, 2016 |
| Q4 2015 | 95.3 | -16.1 | -14.5% | Dec 31, 2015 |
| Q3 2015 | 104 | -7.98 | -7.13% | Sep 30, 2015 |
| Q2 2015 | 111 | -1.64 | -1.45% | Jun 30, 2015 |
| Q1 2015 | 110 | -4.56 | -3.99% | Mar 31, 2015 |
| Q4 2014 | 111 | -6.72 | -5.69% | Dec 31, 2014 |
| Q3 2014 | 112 | -9.46 | -7.8% | Sep 30, 2014 |
| Q2 2014 | 113 | -8.58 | -7.07% | Jun 30, 2014 |
| Q1 2014 | 114 | -8.96 | -7.28% | Mar 31, 2014 |
| Q4 2013 | 118 | +1.45 | +1.24% | Dec 31, 2013 |
| Q3 2013 | 121 | +13.1 | +12.1% | Sep 30, 2013 |
| Q2 2013 | 121 | +22.6 | +22.9% | Jun 30, 2013 |
| Q1 2013 | 123 | +32 | +35.1% | Mar 31, 2013 |
| Q4 2012 | 117 | +22.3 | +23.7% | Dec 31, 2012 |
| Q3 2012 | 108 | +8.73 | +8.77% | Sep 30, 2012 |
| Q2 2012 | 98.7 | -8.98 | -8.34% | Jun 30, 2012 |
| Q1 2012 | 91.2 | -21.7 | -19.2% | Mar 31, 2012 |
| Q4 2011 | 94.3 | -16.3 | -14.7% | Dec 31, 2011 |
| Q3 2011 | 99.5 | Sep 30, 2011 | ||
| Q2 2011 | 108 | Jun 30, 2011 | ||
| Q1 2011 | 113 | Mar 31, 2011 | ||
| Q4 2010 | 111 | Dec 31, 2010 |