| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 76.2 | -0.95 | -1.23% | Jun 30, 2024 |
| Q1 2024 | 77.8 | +2.12 | +2.8% | Mar 31, 2024 |
| Q4 2023 | 79.2 | +4.36 | +5.82% | Dec 31, 2023 |
| Q3 2023 | 78.6 | +2.69 | +3.54% | Sep 30, 2023 |
| Q2 2023 | 77.1 | +1.69 | +2.24% | Jun 30, 2023 |
| Q1 2023 | 75.7 | +2.23 | +3.04% | Mar 31, 2023 |
| Q4 2022 | 74.9 | +4.29 | +6.08% | Dec 31, 2022 |
| Q3 2022 | 76 | +11.5 | +17.9% | Sep 30, 2022 |
| Q2 2022 | 75.4 | +17.1 | +29.3% | Jun 30, 2022 |
| Q1 2022 | 73.4 | +20 | +37.4% | Mar 31, 2022 |
| Q4 2021 | 70.6 | +22.3 | +46.1% | Dec 31, 2021 |
| Q3 2021 | 64.4 | +17.1 | +36.1% | Sep 30, 2021 |
| Q2 2021 | 58.4 | +9.39 | +19.2% | Jun 30, 2021 |
| Q1 2021 | 53.5 | +3.1 | +6.16% | Mar 31, 2021 |
| Q4 2020 | 48.3 | -6.03 | -11.1% | Dec 31, 2020 |
| Q3 2020 | 47.4 | -9.54 | -16.8% | Sep 30, 2020 |
| Q2 2020 | 49 | -11.3 | -18.7% | Jun 30, 2020 |
| Q1 2020 | 50.4 | -12 | -19.3% | Mar 31, 2020 |
| Q4 2019 | 54.4 | -12 | -18.1% | Dec 31, 2019 |
| Q3 2019 | 56.9 | -19.3 | -25.3% | Sep 30, 2019 |
| Q2 2019 | 60.2 | -22 | -26.7% | Jun 30, 2019 |
| Q1 2019 | 62.4 | -22.9 | -26.8% | Mar 31, 2019 |
| Q4 2018 | 66.4 | -19.6 | -22.8% | Dec 31, 2018 |
| Q3 2018 | 76.2 | -10.3 | -11.9% | Sep 30, 2018 |
| Q2 2018 | 82.2 | -6.96 | -7.81% | Jun 30, 2018 |
| Q1 2018 | 85.3 | -8.5 | -9.07% | Mar 31, 2018 |
| Q4 2017 | 86 | -12.1 | -12.3% | Dec 31, 2017 |
| Q3 2017 | 86.5 | -10.2 | -10.6% | Sep 30, 2017 |
| Q2 2017 | 89.2 | -7.55 | -7.81% | Jun 30, 2017 |
| Q1 2017 | 93.8 | -1.7 | -1.78% | Mar 31, 2017 |
| Q4 2016 | 98.1 | +4.45 | +4.75% | Dec 31, 2016 |
| Q3 2016 | 96.7 | +0.62 | +0.65% | Sep 30, 2016 |
| Q2 2016 | 96.7 | -7.68 | -7.36% | Jun 30, 2016 |
| Q1 2016 | 95.5 | -18.4 | -16.2% | Mar 31, 2016 |
| Q4 2015 | 93.6 | -29 | -23.6% | Dec 31, 2015 |
| Q3 2015 | 96.1 | -36.3 | -27.4% | Sep 30, 2015 |
| Q2 2015 | 104 | -26.9 | -20.5% | Jun 30, 2015 |
| Q1 2015 | 114 | -13.5 | -10.6% | Mar 31, 2015 |
| Q4 2014 | 123 | -1.58 | -1.27% | Dec 31, 2014 |
| Q3 2014 | 132 | +13 | +10.9% | Sep 30, 2014 |
| Q2 2014 | 131 | +6.93 | +5.57% | Jun 30, 2014 |
| Q1 2014 | 127 | +2.06 | +1.64% | Mar 31, 2014 |
| Q4 2013 | 124 | -1.08 | -0.86% | Dec 31, 2013 |
| Q3 2013 | 119 | -5.5 | -4.41% | Sep 30, 2013 |
| Q2 2013 | 124 | +5.87 | +4.95% | Jun 30, 2013 |
| Q1 2013 | 125 | +15.8 | +14.5% | Mar 31, 2013 |
| Q4 2012 | 125 | +23.5 | +23.1% | Dec 31, 2012 |
| Q3 2012 | 125 | +34.5 | +38.1% | Sep 30, 2012 |
| Q2 2012 | 119 | +39 | +49.1% | Jun 30, 2012 |
| Q1 2012 | 110 | +31.1 | +39.7% | Mar 31, 2012 |
| Q4 2011 | 102 | +28.9 | +39.6% | Dec 31, 2011 |
| Q3 2011 | 90.4 | Sep 30, 2011 | ||
| Q2 2011 | 79.5 | Jun 30, 2011 | ||
| Q1 2011 | 78.4 | Mar 31, 2011 | ||
| Q4 2010 | 72.9 | Dec 31, 2010 |