| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 73.1 | -2.32 | -3.08% | Jun 30, 2024 |
| Q1 2024 | 75.5 | +3.09 | +4.27% | Mar 31, 2024 |
| Q4 2023 | 76.5 | +7.34 | +10.6% | Dec 31, 2023 |
| Q3 2023 | 76.3 | +9.59 | +14.4% | Sep 30, 2023 |
| Q2 2023 | 75.4 | +10.1 | +15.5% | Jun 30, 2023 |
| Q1 2023 | 72.4 | +7.78 | +12% | Mar 31, 2023 |
| Q4 2022 | 69.1 | +4.45 | +6.88% | Dec 31, 2022 |
| Q3 2022 | 66.7 | +1.43 | +2.19% | Sep 30, 2022 |
| Q2 2022 | 65.3 | +0.53 | +0.82% | Jun 30, 2022 |
| Q1 2022 | 64.6 | +0.75 | +1.17% | Mar 31, 2022 |
| Q4 2021 | 64.7 | +2.62 | +4.22% | Dec 31, 2021 |
| Q3 2021 | 65.2 | +6.24 | +10.6% | Sep 30, 2021 |
| Q2 2021 | 64.8 | +7.76 | +13.6% | Jun 30, 2021 |
| Q1 2021 | 63.9 | +9.81 | +18.1% | Mar 31, 2021 |
| Q4 2020 | 62.1 | +10.9 | +21.2% | Dec 31, 2020 |
| Q3 2020 | 59 | +8.08 | +15.9% | Sep 30, 2020 |
| Q2 2020 | 57 | +7.73 | +15.7% | Jun 30, 2020 |
| Q1 2020 | 54.1 | +5.63 | +11.6% | Mar 31, 2020 |
| Q4 2019 | 51.2 | +1.19 | +2.38% | Dec 31, 2019 |
| Q3 2019 | 50.9 | -7.85 | -13.4% | Sep 30, 2019 |
| Q2 2019 | 49.3 | -16.6 | -25.2% | Jun 30, 2019 |
| Q1 2019 | 48.5 | -23.9 | -33% | Mar 31, 2019 |
| Q4 2018 | 50 | -27.7 | -35.6% | Dec 31, 2018 |
| Q3 2018 | 58.8 | -14.9 | -20.2% | Sep 30, 2018 |
| Q2 2018 | 65.9 | -11.9 | -15.3% | Jun 30, 2018 |
| Q1 2018 | 72.3 | -12.3 | -14.6% | Mar 31, 2018 |
| Q4 2017 | 77.7 | -9.84 | -11.2% | Dec 31, 2017 |
| Q3 2017 | 73.6 | -20.9 | -22.1% | Sep 30, 2017 |
| Q2 2017 | 77.7 | -7.1 | -8.37% | Jun 30, 2017 |
| Q1 2017 | 84.7 | +11.3 | +15.4% | Mar 31, 2017 |
| Q4 2016 | 87.5 | +21.4 | +32.4% | Dec 31, 2016 |
| Q3 2016 | 94.5 | +33.6 | +55.2% | Sep 30, 2016 |
| Q2 2016 | 84.8 | +19.1 | +29.1% | Jun 30, 2016 |
| Q1 2016 | 73.4 | +2.19 | +3.08% | Mar 31, 2016 |
| Q4 2015 | 66.1 | -12.1 | -15.5% | Dec 31, 2015 |
| Q3 2015 | 60.9 | -21.7 | -26.3% | Sep 30, 2015 |
| Q2 2015 | 65.7 | -4.84 | -6.86% | Jun 30, 2015 |
| Q1 2015 | 71.2 | +9.44 | +15.3% | Mar 31, 2015 |
| Q4 2014 | 78.2 | +20.9 | +36.4% | Dec 31, 2014 |
| Q3 2014 | 82.6 | +29.6 | +55.7% | Sep 30, 2014 |
| Q2 2014 | 70.6 | +13.7 | +24% | Jun 30, 2014 |
| Q1 2014 | 61.8 | -0.54 | -0.87% | Mar 31, 2014 |
| Q4 2013 | 57.3 | -8.65 | -13.1% | Dec 31, 2013 |
| Q3 2013 | 53 | -20.5 | -27.9% | Sep 30, 2013 |
| Q2 2013 | 56.9 | -23 | -28.8% | Jun 30, 2013 |
| Q1 2013 | 62.3 | -24 | -27.8% | Mar 31, 2013 |
| Q4 2012 | 66 | -26 | -28.2% | Dec 31, 2012 |
| Q3 2012 | 73.6 | -21 | -22.2% | Sep 30, 2012 |
| Q2 2012 | 79.9 | Jun 30, 2012 | ||
| Q1 2012 | 86.3 | Mar 31, 2012 | ||
| Q4 2011 | 91.9 | Dec 31, 2011 | ||
| Q3 2011 | 94.6 | Sep 30, 2011 |