| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 87.1 | +9.28 | +11.9% | Jun 30, 2024 |
| Q1 2024 | 87.5 | +13.2 | +17.8% | Mar 31, 2024 |
| Q4 2023 | 85.5 | +13.4 | +18.6% | Dec 31, 2023 |
| Q3 2023 | 81.4 | +9.21 | +12.8% | Sep 30, 2023 |
| Q2 2023 | 77.9 | +1.97 | +2.6% | Jun 30, 2023 |
| Q1 2023 | 74.3 | -6.51 | -8.06% | Mar 31, 2023 |
| Q4 2022 | 72.1 | -10.8 | -13% | Dec 31, 2022 |
| Q3 2022 | 72.2 | -13 | -15.2% | Sep 30, 2022 |
| Q2 2022 | 75.9 | -9.29 | -10.9% | Jun 30, 2022 |
| Q1 2022 | 80.8 | +0.28 | +0.35% | Mar 31, 2022 |
| Q4 2021 | 82.8 | +6.63 | +8.7% | Dec 31, 2021 |
| Q3 2021 | 85.2 | +7.65 | +9.87% | Sep 30, 2021 |
| Q2 2021 | 85.2 | +5.78 | +7.28% | Jun 30, 2021 |
| Q1 2021 | 80.5 | -8.8 | -9.85% | Mar 31, 2021 |
| Q4 2020 | 76.2 | -27.8 | -26.7% | Dec 31, 2020 |
| Q3 2020 | 77.5 | -31.1 | -28.6% | Sep 30, 2020 |
| Q2 2020 | 79.4 | -37.2 | -31.9% | Jun 30, 2020 |
| Q1 2020 | 89.3 | -34.8 | -28% | Mar 31, 2020 |
| Q4 2019 | 104 | -29.6 | -22.2% | Dec 31, 2019 |
| Q3 2019 | 109 | -25.3 | -18.9% | Sep 30, 2019 |
| Q2 2019 | 117 | -17.8 | -13.3% | Jun 30, 2019 |
| Q1 2019 | 124 | -12.2 | -8.98% | Mar 31, 2019 |
| Q4 2018 | 134 | -4.82 | -3.48% | Dec 31, 2018 |
| Q3 2018 | 134 | -10.7 | -7.42% | Sep 30, 2018 |
| Q2 2018 | 134 | -16.6 | -11% | Jun 30, 2018 |
| Q1 2018 | 136 | -14.6 | -9.67% | Mar 31, 2018 |
| Q4 2017 | 138 | -12.1 | -8.01% | Dec 31, 2017 |
| Q3 2017 | 145 | -2.76 | -1.87% | Sep 30, 2017 |
| Q2 2017 | 151 | +2.81 | +1.9% | Jun 30, 2017 |
| Q1 2017 | 151 | -17.4 | -10.3% | Mar 31, 2017 |
| Q4 2016 | 150 | -34.6 | -18.7% | Dec 31, 2016 |
| Q3 2016 | 147 | -50.1 | -25.3% | Sep 30, 2016 |
| Q2 2016 | 148 | -58.4 | -28.3% | Jun 30, 2016 |
| Q1 2016 | 168 | -26.8 | -13.7% | Mar 31, 2016 |
| Q4 2015 | 185 | +6.89 | +3.87% | Dec 31, 2015 |
| Q3 2015 | 197 | +32.1 | +19.4% | Sep 30, 2015 |
| Q2 2015 | 207 | +49.2 | +31.3% | Jun 30, 2015 |
| Q1 2015 | 195 | +31.6 | +19.3% | Mar 31, 2015 |
| Q4 2014 | 178 | +3.11 | +1.78% | Dec 31, 2014 |
| Q3 2014 | 165 | -25.9 | -13.5% | Sep 30, 2014 |
| Q2 2014 | 157 | -55.6 | -26.1% | Jun 30, 2014 |
| Q1 2014 | 164 | -48.1 | -22.7% | Mar 31, 2014 |
| Q4 2013 | 175 | -31.7 | -15.3% | Dec 31, 2013 |
| Q3 2013 | 191 | -15.9 | -7.69% | Sep 30, 2013 |
| Q2 2013 | 213 | +18.4 | +9.44% | Jun 30, 2013 |
| Q1 2013 | 212 | +20.5 | +10.7% | Mar 31, 2013 |
| Q4 2012 | 207 | Dec 31, 2012 | ||
| Q3 2012 | 207 | Sep 30, 2012 | ||
| Q2 2012 | 195 | Jun 30, 2012 | ||
| Q1 2012 | 191 | Mar 31, 2012 |