| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 88.5 | +8.45 | +10.6% | Jun 30, 2024 |
| Q1 2024 | 88 | +7.57 | +9.42% | Mar 31, 2024 |
| Q4 2023 | 84.3 | +3.37 | +4.16% | Dec 31, 2023 |
| Q3 2023 | 81 | -3.05 | -3.63% | Sep 30, 2023 |
| Q2 2023 | 80 | -5.62 | -6.56% | Jun 30, 2023 |
| Q1 2023 | 80.4 | -7.6 | -8.64% | Mar 31, 2023 |
| Q4 2022 | 81 | -10.6 | -11.6% | Dec 31, 2022 |
| Q3 2022 | 84.1 | -13.2 | -13.6% | Sep 30, 2022 |
| Q2 2022 | 85.6 | -14.2 | -14.2% | Jun 30, 2022 |
| Q1 2022 | 88 | -14.6 | -14.3% | Mar 31, 2022 |
| Q4 2021 | 91.6 | -5.47 | -5.64% | Dec 31, 2021 |
| Q3 2021 | 97.2 | +8.21 | +9.22% | Sep 30, 2021 |
| Q2 2021 | 99.8 | +18.4 | +22.5% | Jun 30, 2021 |
| Q1 2021 | 103 | +36.3 | +54.7% | Mar 31, 2021 |
| Q4 2020 | 97.1 | +30.3 | +45.4% | Dec 31, 2020 |
| Q3 2020 | 89 | +21.3 | +31.5% | Sep 30, 2020 |
| Q2 2020 | 81.4 | +9.92 | +13.9% | Jun 30, 2020 |
| Q1 2020 | 66.3 | -9.42 | -12.4% | Mar 31, 2020 |
| Q4 2019 | 66.7 | -13 | -16.3% | Dec 31, 2019 |
| Q3 2019 | 67.7 | -11.2 | -14.2% | Sep 30, 2019 |
| Q2 2019 | 71.5 | -8.62 | -10.8% | Jun 30, 2019 |
| Q1 2019 | 75.8 | -4.5 | -5.61% | Mar 31, 2019 |
| Q4 2018 | 79.7 | -9.56 | -10.7% | Dec 31, 2018 |
| Q3 2018 | 78.9 | -28.7 | -26.7% | Sep 30, 2018 |
| Q2 2018 | 80.1 | -42.1 | -34.4% | Jun 30, 2018 |
| Q1 2018 | 80.3 | -60.4 | -42.9% | Mar 31, 2018 |
| Q4 2017 | 89.3 | -67.8 | -43.1% | Dec 31, 2017 |
| Q3 2017 | 108 | -49.2 | -31.4% | Sep 30, 2017 |
| Q2 2017 | 122 | -29 | -19.1% | Jun 30, 2017 |
| Q1 2017 | 141 | -5.28 | -3.62% | Mar 31, 2017 |
| Q4 2016 | 157 | +13 | +8.99% | Dec 31, 2016 |
| Q3 2016 | 157 | +12.1 | +8.36% | Sep 30, 2016 |
| Q2 2016 | 151 | +3.72 | +2.52% | Jun 30, 2016 |
| Q1 2016 | 146 | -1.24 | -0.84% | Mar 31, 2016 |
| Q4 2015 | 144 | -19.6 | -12% | Dec 31, 2015 |
| Q3 2015 | 145 | -30.3 | -17.3% | Sep 30, 2015 |
| Q2 2015 | 147 | -27.8 | -15.9% | Jun 30, 2015 |
| Q1 2015 | 147 | -30 | -17% | Mar 31, 2015 |
| Q4 2014 | 164 | -8.46 | -4.91% | Dec 31, 2014 |
| Q3 2014 | 175 | +34.8 | +24.9% | Sep 30, 2014 |
| Q2 2014 | 175 | +22.8 | +15% | Jun 30, 2014 |
| Q1 2014 | 177 | -1.22 | -0.68% | Mar 31, 2014 |
| Q4 2013 | 172 | -10.1 | -5.52% | Dec 31, 2013 |
| Q3 2013 | 140 | -231 | -62.3% | Sep 30, 2013 |
| Q2 2013 | 152 | -199 | -56.6% | Jun 30, 2013 |
| Q1 2013 | 178 | -164 | -48% | Mar 31, 2013 |
| Q4 2012 | 182 | -131 | -41.8% | Dec 31, 2012 |
| Q3 2012 | 371 | +92.9 | +33.4% | Sep 30, 2012 |
| Q2 2012 | 352 | +74.9 | +27% | Jun 30, 2012 |
| Q1 2012 | 343 | +97 | +39.4% | Mar 31, 2012 |
| Q4 2011 | 313 | Dec 31, 2011 | ||
| Q3 2011 | 278 | Sep 30, 2011 | ||
| Q2 2011 | 277 | Jun 30, 2011 | ||
| Q1 2011 | 246 | Mar 31, 2011 |