| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 80.8 | -1.06 | -1.29% | Jun 30, 2024 |
| Q1 2024 | 80.5 | -3.53 | -4.2% | Mar 31, 2024 |
| Q4 2023 | 79.1 | -7.51 | -8.67% | Dec 31, 2023 |
| Q3 2023 | 79.9 | -4.03 | -4.8% | Sep 30, 2023 |
| Q2 2023 | 81.9 | +3.01 | +3.82% | Jun 30, 2023 |
| Q1 2023 | 84.1 | +6.88 | +8.92% | Mar 31, 2023 |
| Q4 2022 | 86.6 | +16.5 | +23.5% | Dec 31, 2022 |
| Q3 2022 | 84 | +15.9 | +23.3% | Sep 30, 2022 |
| Q2 2022 | 78.9 | +13.2 | +20% | Jun 30, 2022 |
| Q1 2022 | 77.2 | +10.4 | +15.5% | Mar 31, 2022 |
| Q4 2021 | 70.2 | +0.09 | +0.13% | Dec 31, 2021 |
| Q3 2021 | 68.1 | -1.97 | -2.81% | Sep 30, 2021 |
| Q2 2021 | 65.7 | -5.79 | -8.1% | Jun 30, 2021 |
| Q1 2021 | 66.8 | -2.77 | -3.98% | Mar 31, 2021 |
| Q4 2020 | 70.1 | -0.34 | -0.48% | Dec 31, 2020 |
| Q3 2020 | 70 | -4.92 | -6.56% | Sep 30, 2020 |
| Q2 2020 | 71.5 | -11.1 | -13.4% | Jun 30, 2020 |
| Q1 2020 | 69.6 | -18.7 | -21.2% | Mar 31, 2020 |
| Q4 2019 | 70.4 | -28.7 | -28.9% | Dec 31, 2019 |
| Q3 2019 | 75 | -41.8 | -35.8% | Sep 30, 2019 |
| Q2 2019 | 82.6 | -36.8 | -30.8% | Jun 30, 2019 |
| Q1 2019 | 88.3 | -25.8 | -22.6% | Mar 31, 2019 |
| Q4 2018 | 99.1 | -5.1 | -4.9% | Dec 31, 2018 |
| Q3 2018 | 117 | +23.1 | +24.7% | Sep 30, 2018 |
| Q2 2018 | 119 | +19 | +18.9% | Jun 30, 2018 |
| Q1 2018 | 114 | +0.73 | +0.64% | Mar 31, 2018 |
| Q4 2017 | 104 | -19.5 | -15.8% | Dec 31, 2017 |
| Q3 2017 | 93.7 | -30 | -24.2% | Sep 30, 2017 |
| Q2 2017 | 100 | -20.4 | -16.9% | Jun 30, 2017 |
| Q1 2017 | 113 | -3.25 | -2.79% | Mar 31, 2017 |
| Q4 2016 | 124 | +4.34 | +3.64% | Dec 31, 2016 |
| Q3 2016 | 124 | +3.01 | +2.5% | Sep 30, 2016 |
| Q2 2016 | 121 | +27.7 | +29.8% | Jun 30, 2016 |
| Q1 2016 | 117 | +24.8 | +26.9% | Mar 31, 2016 |
| Q4 2015 | 119 | +28.3 | +31.1% | Dec 31, 2015 |
| Q3 2015 | 121 | +31.6 | +35.5% | Sep 30, 2015 |
| Q2 2015 | 93.1 | -14.2 | -13.2% | Jun 30, 2015 |
| Q1 2015 | 91.8 | -12.7 | -12.2% | Mar 31, 2015 |
| Q4 2014 | 91 | -14.6 | -13.8% | Dec 31, 2014 |
| Q3 2014 | 89 | -20.9 | -19% | Sep 30, 2014 |
| Q2 2014 | 107 | -7.81 | -6.79% | Jun 30, 2014 |
| Q1 2014 | 105 | -16 | -13.3% | Mar 31, 2014 |
| Q4 2013 | 106 | -15.3 | -12.7% | Dec 31, 2013 |
| Q3 2013 | 110 | -9.66 | -8.08% | Sep 30, 2013 |
| Q2 2013 | 115 | -11.3 | -8.96% | Jun 30, 2013 |
| Q1 2013 | 121 | -10.7 | -8.18% | Mar 31, 2013 |
| Q4 2012 | 121 | -16.2 | -11.8% | Dec 31, 2012 |
| Q3 2012 | 120 | -25.7 | -17.7% | Sep 30, 2012 |
| Q2 2012 | 126 | -11 | -8% | Jun 30, 2012 |
| Q1 2012 | 131 | -10.7 | -7.55% | Mar 31, 2012 |
| Q4 2011 | 137 | -6.47 | -4.51% | Dec 31, 2011 |
| Q3 2011 | 145 | Sep 30, 2011 | ||
| Q2 2011 | 137 | Jun 30, 2011 | ||
| Q1 2011 | 142 | Mar 31, 2011 | ||
| Q4 2010 | 144 | Dec 31, 2010 |