| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 108 | +13.2 | +14% | Jun 30, 2024 |
| Q1 2024 | 105 | +11.7 | +12.5% | Mar 31, 2024 |
| Q4 2023 | 102 | +10.3 | +11.3% | Dec 31, 2023 |
| Q3 2023 | 98.8 | +8.52 | +9.44% | Sep 30, 2023 |
| Q2 2023 | 94.8 | +5.28 | +5.9% | Jun 30, 2023 |
| Q1 2023 | 93.1 | +4.31 | +4.86% | Mar 31, 2023 |
| Q4 2022 | 91.3 | +3.65 | +4.17% | Dec 31, 2022 |
| Q3 2022 | 90.2 | +1.7 | +1.92% | Sep 30, 2022 |
| Q2 2022 | 89.5 | -0.84 | -0.93% | Jun 30, 2022 |
| Q1 2022 | 88.8 | -1.99 | -2.19% | Mar 31, 2022 |
| Q4 2021 | 87.6 | -4.12 | -4.49% | Dec 31, 2021 |
| Q3 2021 | 88.5 | -4.7 | -5.04% | Sep 30, 2021 |
| Q2 2021 | 90.3 | -2.96 | -3.17% | Jun 30, 2021 |
| Q1 2021 | 90.8 | -5.3 | -5.52% | Mar 31, 2021 |
| Q4 2020 | 91.8 | -6 | -6.14% | Dec 31, 2020 |
| Q3 2020 | 93.2 | -1.98 | -2.08% | Sep 30, 2020 |
| Q2 2020 | 93.3 | -0.92 | -0.98% | Jun 30, 2020 |
| Q1 2020 | 96.1 | +4.99 | +5.48% | Mar 31, 2020 |
| Q4 2019 | 97.8 | +9.81 | +11.2% | Dec 31, 2019 |
| Q3 2019 | 95.2 | +10.7 | +12.7% | Sep 30, 2019 |
| Q2 2019 | 94.2 | +12.7 | +15.6% | Jun 30, 2019 |
| Q1 2019 | 91.1 | +11.3 | +14.1% | Mar 31, 2019 |
| Q4 2018 | 88 | +8.49 | +10.7% | Dec 31, 2018 |
| Q3 2018 | 84.5 | +3.46 | +4.27% | Sep 30, 2018 |
| Q2 2018 | 81.5 | +0.92 | +1.14% | Jun 30, 2018 |
| Q1 2018 | 79.8 | -2.05 | -2.51% | Mar 31, 2018 |
| Q4 2017 | 79.5 | -3.15 | -3.81% | Dec 31, 2017 |
| Q3 2017 | 81 | -1.98 | -2.39% | Sep 30, 2017 |
| Q2 2017 | 80.6 | -7.58 | -8.6% | Jun 30, 2017 |
| Q1 2017 | 81.9 | -8.86 | -9.77% | Mar 31, 2017 |
| Q4 2016 | 82.6 | -12.8 | -13.4% | Dec 31, 2016 |
| Q3 2016 | 83 | -18.5 | -18.2% | Sep 30, 2016 |
| Q2 2016 | 88.1 | -16.8 | -16% | Jun 30, 2016 |
| Q1 2016 | 90.7 | -15.9 | -14.9% | Mar 31, 2016 |
| Q4 2015 | 95.4 | -10.7 | -10.1% | Dec 31, 2015 |
| Q3 2015 | 102 | -3.63 | -3.45% | Sep 30, 2015 |
| Q2 2015 | 105 | +1.78 | +1.73% | Jun 30, 2015 |
| Q1 2015 | 107 | +0.56 | +0.53% | Mar 31, 2015 |
| Q4 2014 | 106 | -3.77 | -3.43% | Dec 31, 2014 |
| Q3 2014 | 105 | -5.66 | -5.11% | Sep 30, 2014 |
| Q2 2014 | 103 | -8.7 | -7.78% | Jun 30, 2014 |
| Q1 2014 | 106 | -6.48 | -5.76% | Mar 31, 2014 |
| Q4 2013 | 110 | -5.12 | -4.45% | Dec 31, 2013 |
| Q3 2013 | 111 | -14.6 | -11.6% | Sep 30, 2013 |
| Q2 2013 | 112 | -27 | -19.4% | Jun 30, 2013 |
| Q1 2013 | 113 | -34.2 | -23.3% | Mar 31, 2013 |
| Q4 2012 | 115 | -40.2 | -25.9% | Dec 31, 2012 |
| Q3 2012 | 125 | -27.7 | -18.1% | Sep 30, 2012 |
| Q2 2012 | 139 | -4.88 | -3.4% | Jun 30, 2012 |
| Q1 2012 | 147 | +10.8 | +7.93% | Mar 31, 2012 |
| Q4 2011 | 155 | Dec 31, 2011 | ||
| Q3 2011 | 153 | Sep 30, 2011 | ||
| Q2 2011 | 144 | Jun 30, 2011 | ||
| Q1 2011 | 136 | Mar 31, 2011 |