| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 80.6 | -0.64 | -0.79% | Jun 30, 2024 |
| Q1 2024 | 82.6 | +1.69 | +2.09% | Mar 31, 2024 |
| Q4 2023 | 77.1 | -7.27 | -8.62% | Dec 31, 2023 |
| Q3 2023 | 78.4 | -9.66 | -11% | Sep 30, 2023 |
| Q2 2023 | 81.2 | -6.3 | -7.2% | Jun 30, 2023 |
| Q1 2023 | 80.9 | -4.48 | -5.25% | Mar 31, 2023 |
| Q4 2022 | 84.3 | -1.63 | -1.9% | Dec 31, 2022 |
| Q3 2022 | 88.1 | +6.07 | +7.4% | Sep 30, 2022 |
| Q2 2022 | 87.5 | +1.21 | +1.4% | Jun 30, 2022 |
| Q1 2022 | 85.4 | -11.5 | -11.8% | Mar 31, 2022 |
| Q4 2021 | 86 | -19 | -18.1% | Dec 31, 2021 |
| Q3 2021 | 82 | -27 | -24.7% | Sep 30, 2021 |
| Q2 2021 | 86.3 | -25.7 | -22.9% | Jun 30, 2021 |
| Q1 2021 | 96.9 | -16.4 | -14.5% | Mar 31, 2021 |
| Q4 2020 | 105 | -7.52 | -6.69% | Dec 31, 2020 |
| Q3 2020 | 109 | -10.3 | -8.66% | Sep 30, 2020 |
| Q2 2020 | 112 | -2.25 | -1.97% | Jun 30, 2020 |
| Q1 2020 | 113 | +3.06 | +2.78% | Mar 31, 2020 |
| Q4 2019 | 112 | +0.86 | +0.77% | Dec 31, 2019 |
| Q3 2019 | 119 | +9.08 | +8.24% | Sep 30, 2019 |
| Q2 2019 | 114 | -9.89 | -7.97% | Jun 30, 2019 |
| Q1 2019 | 110 | -35.1 | -24.2% | Mar 31, 2019 |
| Q4 2018 | 112 | -42.4 | -27.5% | Dec 31, 2018 |
| Q3 2018 | 110 | -46.3 | -29.6% | Sep 30, 2018 |
| Q2 2018 | 124 | -26.1 | -17.4% | Jun 30, 2018 |
| Q1 2018 | 145 | +8.51 | +6.22% | Mar 31, 2018 |
| Q4 2017 | 154 | +19 | +14.1% | Dec 31, 2017 |
| Q3 2017 | 157 | +11.9 | +8.25% | Sep 30, 2017 |
| Q2 2017 | 150 | -5.36 | -3.45% | Jun 30, 2017 |
| Q1 2017 | 137 | -36 | -20.8% | Mar 31, 2017 |
| Q4 2016 | 135 | -60.1 | -30.8% | Dec 31, 2016 |
| Q3 2016 | 145 | -69.4 | -32.4% | Sep 30, 2016 |
| Q2 2016 | 155 | -86.6 | -35.8% | Jun 30, 2016 |
| Q1 2016 | 173 | -84.6 | -32.9% | Mar 31, 2016 |
| Q4 2015 | 195 | -70.4 | -26.5% | Dec 31, 2015 |
| Q3 2015 | 214 | -81.9 | -27.7% | Sep 30, 2015 |
| Q2 2015 | 242 | -59.2 | -19.6% | Jun 30, 2015 |
| Q1 2015 | 257 | -79.4 | -23.6% | Mar 31, 2015 |
| Q4 2014 | 265 | -131 | -33.1% | Dec 31, 2014 |
| Q3 2014 | 296 | -120 | -28.9% | Sep 30, 2014 |
| Q2 2014 | 301 | -124 | -29.1% | Jun 30, 2014 |
| Q1 2014 | 337 | -67.6 | -16.7% | Mar 31, 2014 |
| Q4 2013 | 397 | +23.8 | +6.38% | Dec 31, 2013 |
| Q3 2013 | 416 | +61.2 | +17.2% | Sep 30, 2013 |
| Q2 2013 | 425 | +54.5 | +14.7% | Jun 30, 2013 |
| Q1 2013 | 404 | -24.3 | -5.67% | Mar 31, 2013 |
| Q4 2012 | 373 | Dec 31, 2012 | ||
| Q3 2012 | 355 | Sep 30, 2012 | ||
| Q2 2012 | 370 | Jun 30, 2012 | ||
| Q1 2012 | 429 | Mar 31, 2012 |