| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 111 | +6.86 | +6.59% | Mar 31, 2024 |
| Q4 2023 | 111 | +4.65 | +4.37% | Dec 31, 2023 |
| Q3 2023 | 108 | -1.98 | -1.81% | Sep 30, 2023 |
| Q2 2023 | 105 | -11.3 | -9.74% | Jun 30, 2023 |
| Q1 2023 | 104 | -13.9 | -11.8% | Mar 31, 2023 |
| Q4 2022 | 106 | -8.42 | -7.34% | Dec 31, 2022 |
| Q3 2022 | 110 | -3.94 | -3.47% | Sep 30, 2022 |
| Q2 2022 | 116 | +3.26 | +2.9% | Jun 30, 2022 |
| Q1 2022 | 118 | +3.98 | +3.49% | Mar 31, 2022 |
| Q4 2021 | 115 | +1.04 | +0.92% | Dec 31, 2021 |
| Q3 2021 | 113 | +2.16 | +1.94% | Sep 30, 2021 |
| Q2 2021 | 113 | +7.49 | +7.13% | Jun 30, 2021 |
| Q1 2021 | 114 | +14.5 | +14.6% | Mar 31, 2021 |
| Q4 2020 | 114 | +22.1 | +24.1% | Dec 31, 2020 |
| Q3 2020 | 111 | +27.4 | +32.6% | Sep 30, 2020 |
| Q2 2020 | 105 | +26.8 | +34.3% | Jun 30, 2020 |
| Q1 2020 | 99.4 | +26 | +35.4% | Mar 31, 2020 |
| Q4 2019 | 91.7 | +12.8 | +16.3% | Dec 31, 2019 |
| Q3 2019 | 84 | -0.21 | -0.25% | Sep 30, 2019 |
| Q2 2019 | 78.2 | -9.62 | -11% | Jun 30, 2019 |
| Q1 2019 | 73.4 | -17.7 | -19.4% | Mar 31, 2019 |
| Q4 2018 | 78.8 | -17.9 | -18.5% | Dec 31, 2018 |
| Q3 2018 | 84.2 | -12.6 | -13% | Sep 30, 2018 |
| Q2 2018 | 87.8 | -12.5 | -12.4% | Jun 30, 2018 |
| Q1 2018 | 91.1 | -13.5 | -12.9% | Mar 31, 2018 |
| Q4 2017 | 96.7 | -5.77 | -5.63% | Dec 31, 2017 |
| Q3 2017 | 96.8 | -13.7 | -12.4% | Sep 30, 2017 |
| Q2 2017 | 100 | -9.01 | -8.24% | Jun 30, 2017 |
| Q1 2017 | 105 | -1.58 | -1.49% | Mar 31, 2017 |
| Q4 2016 | 103 | -2.73 | -2.59% | Dec 31, 2016 |
| Q3 2016 | 110 | +8.67 | +8.52% | Sep 30, 2016 |
| Q2 2016 | 109 | +9.18 | +9.17% | Jun 30, 2016 |
| Q1 2016 | 106 | +10.3 | +10.8% | Mar 31, 2016 |
| Q4 2015 | 105 | +14.2 | +15.6% | Dec 31, 2015 |
| Q3 2015 | 102 | +13.9 | +15.8% | Sep 30, 2015 |
| Q2 2015 | 100 | +6.75 | +7.23% | Jun 30, 2015 |
| Q1 2015 | 95.8 | -4.78 | -4.75% | Mar 31, 2015 |
| Q4 2014 | 91 | -16.2 | -15.1% | Dec 31, 2014 |
| Q3 2014 | 87.9 | -24.2 | -21.6% | Sep 30, 2014 |
| Q2 2014 | 93.4 | -20.3 | -17.9% | Jun 30, 2014 |
| Q1 2014 | 101 | -17.2 | -14.6% | Mar 31, 2014 |
| Q4 2013 | 107 | -15.4 | -12.6% | Dec 31, 2013 |
| Q3 2013 | 112 | -11.7 | -9.43% | Sep 30, 2013 |
| Q2 2013 | 114 | -11.3 | -9.07% | Jun 30, 2013 |
| Q1 2013 | 118 | -3.37 | -2.78% | Mar 31, 2013 |
| Q4 2012 | 123 | Dec 31, 2012 | ||
| Q3 2012 | 124 | Sep 30, 2012 | ||
| Q2 2012 | 125 | Jun 30, 2012 | ||
| Q1 2012 | 121 | Mar 31, 2012 |