| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 83.6 | +2.43 | +3% | Sep 30, 2024 |
| Q2 2024 | 82.7 | +1.95 | +2.41% | Jun 30, 2024 |
| Q1 2024 | 82.2 | +1.65 | +2.05% | Mar 31, 2024 |
| Q4 2023 | 81.5 | +1.08 | +1.34% | Dec 31, 2023 |
| Q3 2023 | 81.1 | +1.83 | +2.31% | Sep 30, 2023 |
| Q2 2023 | 80.8 | +3.02 | +3.88% | Jun 30, 2023 |
| Q1 2023 | 80.5 | +4.18 | +5.48% | Mar 31, 2023 |
| Q4 2022 | 80.4 | +5.44 | +7.25% | Dec 31, 2022 |
| Q3 2022 | 79.3 | +5.33 | +7.21% | Sep 30, 2022 |
| Q2 2022 | 77.8 | +3.87 | +5.24% | Jun 30, 2022 |
| Q1 2022 | 76.3 | +0.41 | +0.54% | Mar 31, 2022 |
| Q4 2021 | 75 | -1.7 | -2.22% | Dec 31, 2021 |
| Q3 2021 | 74 | -4.31 | -5.51% | Sep 30, 2021 |
| Q2 2021 | 73.9 | -6.78 | -8.41% | Jun 30, 2021 |
| Q1 2021 | 75.9 | -5.68 | -6.96% | Mar 31, 2021 |
| Q4 2020 | 76.7 | -35.7 | -31.8% | Dec 31, 2020 |
| Q3 2020 | 78.3 | -61.4 | -44% | Sep 30, 2020 |
| Q2 2020 | 80.7 | -83.3 | -50.8% | Jun 30, 2020 |
| Q1 2020 | 81.6 | -104 | -56% | Mar 31, 2020 |
| Q4 2019 | 112 | -66.6 | -37.2% | Dec 31, 2019 |
| Q3 2019 | 140 | -33.9 | -19.5% | Sep 30, 2019 |
| Q2 2019 | 164 | -4.9 | -2.9% | Jun 30, 2019 |
| Q1 2019 | 185 | +21.8 | +13.3% | Mar 31, 2019 |
| Q4 2018 | 179 | +20.9 | +13.2% | Dec 31, 2018 |
| Q3 2018 | 174 | +20.5 | +13.4% | Sep 30, 2018 |
| Q2 2018 | 169 | +20.7 | +14% | Jun 30, 2018 |
| Q1 2018 | 164 | +19.9 | +13.9% | Mar 31, 2018 |
| Q4 2017 | 158 | +19.5 | +14.1% | Dec 31, 2017 |
| Q3 2017 | 153 | +19.4 | +14.5% | Sep 30, 2017 |
| Q2 2017 | 148 | +23.6 | +19% | Jun 30, 2017 |
| Q1 2017 | 144 | +28.2 | +24.4% | Mar 31, 2017 |
| Q4 2016 | 139 | +28.7 | +26.1% | Dec 31, 2016 |
| Q3 2016 | 134 | +24.3 | +22.3% | Sep 30, 2016 |
| Q2 2016 | 125 | +9.8 | +8.54% | Jun 30, 2016 |
| Q1 2016 | 116 | -10.4 | -8.29% | Mar 31, 2016 |
| Q4 2015 | 110 | -24.8 | -18.4% | Dec 31, 2015 |
| Q3 2015 | 109 | -26 | -19.2% | Sep 30, 2015 |
| Q2 2015 | 115 | -10.1 | -8.1% | Jun 30, 2015 |
| Q1 2015 | 126 | +20.2 | +19.1% | Mar 31, 2015 |
| Q4 2014 | 135 | +60.1 | +80.5% | Dec 31, 2014 |
| Q3 2014 | 135 | +71.1 | +111% | Sep 30, 2014 |
| Q2 2014 | 125 | +62.2 | +99.4% | Jun 30, 2014 |
| Q1 2014 | 106 | +36.1 | +51.7% | Mar 31, 2014 |
| Q4 2013 | 74.7 | -27.5 | -26.9% | Dec 31, 2013 |
| Q3 2013 | 64.1 | -18 | -21.9% | Sep 30, 2013 |
| Q2 2013 | 62.6 | -12.3 | -16.5% | Jun 30, 2013 |
| Q1 2013 | 69.7 | +24.8 | +55.1% | Mar 31, 2013 |
| Q4 2012 | 102 | Dec 31, 2012 | ||
| Q3 2012 | 82.1 | Sep 30, 2012 | ||
| Q2 2012 | 74.9 | Jun 30, 2012 | ||
| Q1 2012 | 45 | Mar 31, 2012 |