| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 92.3 | +3.61 | +4.07% | Jun 30, 2024 |
| Q1 2024 | 89.9 | -1.43 | -1.57% | Mar 31, 2024 |
| Q4 2023 | 87.9 | -8.74 | -9.04% | Dec 31, 2023 |
| Q3 2023 | 87.8 | -15 | -14.6% | Sep 30, 2023 |
| Q2 2023 | 88.7 | -20.8 | -19% | Jun 30, 2023 |
| Q1 2023 | 91.3 | -22.7 | -19.9% | Mar 31, 2023 |
| Q4 2022 | 96.7 | -20.5 | -17.5% | Dec 31, 2022 |
| Q3 2022 | 103 | -14.1 | -12% | Sep 30, 2022 |
| Q2 2022 | 110 | -5.21 | -4.54% | Jun 30, 2022 |
| Q1 2022 | 114 | +1.8 | +1.6% | Mar 31, 2022 |
| Q4 2021 | 117 | +8.04 | +7.37% | Dec 31, 2021 |
| Q3 2021 | 117 | +10.3 | +9.67% | Sep 30, 2021 |
| Q2 2021 | 115 | +9.96 | +9.51% | Jun 30, 2021 |
| Q1 2021 | 112 | +8.92 | +8.64% | Mar 31, 2021 |
| Q4 2020 | 109 | +4.96 | +4.76% | Dec 31, 2020 |
| Q3 2020 | 107 | +8.02 | +8.14% | Sep 30, 2020 |
| Q2 2020 | 105 | +12.9 | +14% | Jun 30, 2020 |
| Q1 2020 | 103 | +18.4 | +21.7% | Mar 31, 2020 |
| Q4 2019 | 104 | +27.9 | +36.6% | Dec 31, 2019 |
| Q3 2019 | 98.5 | +24.8 | +33.6% | Sep 30, 2019 |
| Q2 2019 | 91.9 | +21.2 | +30% | Jun 30, 2019 |
| Q1 2019 | 84.9 | +16.2 | +23.5% | Mar 31, 2019 |
| Q4 2018 | 76.2 | +8.93 | +13.3% | Dec 31, 2018 |
| Q3 2018 | 73.8 | +7.78 | +11.8% | Sep 30, 2018 |
| Q2 2018 | 70.7 | +4.38 | +6.61% | Jun 30, 2018 |
| Q1 2018 | 68.7 | +2.29 | +3.45% | Mar 31, 2018 |
| Q4 2017 | 67.3 | +0.21 | +0.31% | Dec 31, 2017 |
| Q3 2017 | 66 | -1.86 | -2.74% | Sep 30, 2017 |
| Q2 2017 | 66.3 | -1.35 | -2% | Jun 30, 2017 |
| Q1 2017 | 66.4 | -2.02 | -2.95% | Mar 31, 2017 |
| Q4 2016 | 67.1 | -1.19 | -1.74% | Dec 31, 2016 |
| Q3 2016 | 67.8 | -0.85 | -1.24% | Sep 30, 2016 |
| Q2 2016 | 67.6 | -0.27 | -0.4% | Jun 30, 2016 |
| Q1 2016 | 68.4 | +2.29 | +3.46% | Mar 31, 2016 |
| Q4 2015 | 68.3 | +3.35 | +5.16% | Dec 31, 2015 |
| Q3 2015 | 68.7 | +5.28 | +8.33% | Sep 30, 2015 |
| Q2 2015 | 67.9 | +5.35 | +8.55% | Jun 30, 2015 |
| Q1 2015 | 66.1 | +2.89 | +4.57% | Mar 31, 2015 |
| Q4 2014 | 64.9 | +1.37 | +2.16% | Dec 31, 2014 |
| Q3 2014 | 63.4 | -0.67 | -1.05% | Sep 30, 2014 |
| Q2 2014 | 62.6 | -2.56 | -3.93% | Jun 30, 2014 |
| Q1 2014 | 63.2 | -1.95 | -2.99% | Mar 31, 2014 |
| Q4 2013 | 63.6 | -1.18 | -1.82% | Dec 31, 2013 |
| Q3 2013 | 64.1 | -0.63 | -0.97% | Sep 30, 2013 |
| Q2 2013 | 65.1 | +1.21 | +1.89% | Jun 30, 2013 |
| Q1 2013 | 65.2 | +2.98 | +4.79% | Mar 31, 2013 |
| Q4 2012 | 64.7 | +4.29 | +7.1% | Dec 31, 2012 |
| Q3 2012 | 64.7 | +7.07 | +12.3% | Sep 30, 2012 |
| Q2 2012 | 63.9 | +9.75 | +18% | Jun 30, 2012 |
| Q1 2012 | 62.2 | +11.2 | +22% | Mar 31, 2012 |
| Q4 2011 | 60.4 | Dec 31, 2011 | ||
| Q3 2011 | 57.6 | Sep 30, 2011 | ||
| Q2 2011 | 54.2 | Jun 30, 2011 | ||
| Q1 2011 | 51 | Mar 31, 2011 |