| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 80.6 | +6.58 | +8.89% | Jun 30, 2024 |
| Q1 2024 | 78.8 | +5.79 | +7.94% | Mar 31, 2024 |
| Q4 2023 | 77.9 | +6.61 | +9.27% | Dec 31, 2023 |
| Q3 2023 | 76.2 | +4.15 | +5.76% | Sep 30, 2023 |
| Q2 2023 | 74 | -2.55 | -3.33% | Jun 30, 2023 |
| Q1 2023 | 73 | -12.6 | -14.7% | Mar 31, 2023 |
| Q4 2022 | 71.3 | -19.9 | -21.8% | Dec 31, 2022 |
| Q3 2022 | 72 | -22.1 | -23.5% | Sep 30, 2022 |
| Q2 2022 | 76.6 | -25.2 | -24.8% | Jun 30, 2022 |
| Q1 2022 | 85.5 | -14.8 | -14.7% | Mar 31, 2022 |
| Q4 2021 | 91.2 | -8.98 | -8.97% | Dec 31, 2021 |
| Q3 2021 | 94.1 | -8.06 | -7.89% | Sep 30, 2021 |
| Q2 2021 | 102 | +6.53 | +6.86% | Jun 30, 2021 |
| Q1 2021 | 100 | +10.3 | +11.4% | Mar 31, 2021 |
| Q4 2020 | 100 | +7.84 | +8.49% | Dec 31, 2020 |
| Q3 2020 | 102 | +4.29 | +4.38% | Sep 30, 2020 |
| Q2 2020 | 95.3 | -7.39 | -7.2% | Jun 30, 2020 |
| Q1 2020 | 90 | -22.6 | -20.1% | Mar 31, 2020 |
| Q4 2019 | 92.3 | -27.2 | -22.7% | Dec 31, 2019 |
| Q3 2019 | 97.9 | -21.3 | -17.8% | Sep 30, 2019 |
| Q2 2019 | 103 | -20.1 | -16.4% | Jun 30, 2019 |
| Q1 2019 | 113 | -11.9 | -9.55% | Mar 31, 2019 |
| Q4 2018 | 119 | -2.98 | -2.43% | Dec 31, 2018 |
| Q3 2018 | 119 | +1.94 | +1.66% | Sep 30, 2018 |
| Q2 2018 | 123 | +7.64 | +6.64% | Jun 30, 2018 |
| Q1 2018 | 125 | +10.9 | +9.59% | Mar 31, 2018 |
| Q4 2017 | 122 | +7.83 | +6.83% | Dec 31, 2017 |
| Q3 2017 | 117 | +1.16 | +1% | Sep 30, 2017 |
| Q2 2017 | 115 | -0.63 | -0.54% | Jun 30, 2017 |
| Q1 2017 | 114 | -2.48 | -2.14% | Mar 31, 2017 |
| Q4 2016 | 115 | -2.82 | -2.4% | Dec 31, 2016 |
| Q3 2016 | 116 | -2.02 | -1.71% | Sep 30, 2016 |
| Q2 2016 | 116 | -3.02 | -2.54% | Jun 30, 2016 |
| Q1 2016 | 116 | -2.87 | -2.41% | Mar 31, 2016 |
| Q4 2015 | 117 | -0.45 | -0.38% | Dec 31, 2015 |
| Q3 2015 | 118 | -2.82 | -2.33% | Sep 30, 2015 |
| Q2 2015 | 119 | +1.28 | +1.09% | Jun 30, 2015 |
| Q1 2015 | 119 | +5.73 | +5.06% | Mar 31, 2015 |
| Q4 2014 | 118 | +4.07 | +3.58% | Dec 31, 2014 |
| Q3 2014 | 121 | +9.01 | +8.06% | Sep 30, 2014 |
| Q2 2014 | 117 | +3.35 | +2.94% | Jun 30, 2014 |
| Q1 2014 | 113 | -2.12 | -1.84% | Mar 31, 2014 |
| Q4 2013 | 114 | +2.52 | +2.26% | Dec 31, 2013 |
| Q3 2013 | 112 | +3.07 | +2.82% | Sep 30, 2013 |
| Q2 2013 | 114 | -9.89 | -7.98% | Jun 30, 2013 |
| Q1 2013 | 115 | -25.2 | -17.9% | Mar 31, 2013 |
| Q4 2012 | 111 | -52.3 | -32% | Dec 31, 2012 |
| Q3 2012 | 109 | -79.7 | -42.3% | Sep 30, 2012 |
| Q2 2012 | 124 | -49.3 | -28.4% | Jun 30, 2012 |
| Q1 2012 | 141 | -14.5 | -9.36% | Mar 31, 2012 |
| Q4 2011 | 164 | Dec 31, 2011 | ||
| Q3 2011 | 189 | Sep 30, 2011 | ||
| Q2 2011 | 173 | Jun 30, 2011 | ||
| Q1 2011 | 155 | Mar 31, 2011 |