| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 21 | -3.54 | -14.4% | Jun 30, 2024 |
| Q1 2024 | 21.5 | -3.97 | -15.6% | Mar 31, 2024 |
| Q4 2023 | 22.7 | -3.24 | -12.5% | Dec 31, 2023 |
| Q3 2023 | 23.8 | -1.85 | -7.22% | Sep 30, 2023 |
| Q2 2023 | 24.6 | -1.56 | -5.97% | Jun 30, 2023 |
| Q1 2023 | 25.5 | -1.37 | -5.1% | Mar 31, 2023 |
| Q4 2022 | 26 | -1.75 | -6.32% | Dec 31, 2022 |
| Q3 2022 | 25.6 | -3.01 | -10.5% | Sep 30, 2022 |
| Q2 2022 | 26.1 | -2.87 | -9.9% | Jun 30, 2022 |
| Q1 2022 | 26.9 | -1.41 | -4.99% | Mar 31, 2022 |
| Q4 2021 | 27.7 | -0.39 | -1.39% | Dec 31, 2021 |
| Q3 2021 | 28.6 | -0.07 | -0.24% | Sep 30, 2021 |
| Q2 2021 | 29 | -0.28 | -0.96% | Jun 30, 2021 |
| Q1 2021 | 28.3 | -2.46 | -8% | Mar 31, 2021 |
| Q4 2020 | 28.1 | -3.25 | -10.4% | Dec 31, 2020 |
| Q3 2020 | 28.7 | -3.57 | -11.1% | Sep 30, 2020 |
| Q2 2020 | 29.3 | -6.61 | -18.4% | Jun 30, 2020 |
| Q1 2020 | 30.7 | -8.87 | -22.4% | Mar 31, 2020 |
| Q4 2019 | 31.3 | -13.8 | -30.6% | Dec 31, 2019 |
| Q3 2019 | 32.3 | -16.9 | -34.3% | Sep 30, 2019 |
| Q2 2019 | 35.9 | -13.1 | -26.7% | Jun 30, 2019 |
| Q1 2019 | 39.6 | -10.7 | -21.3% | Mar 31, 2019 |
| Q4 2018 | 45.1 | -6.08 | -11.9% | Dec 31, 2018 |
| Q3 2018 | 49.1 | -3.66 | -6.93% | Sep 30, 2018 |
| Q2 2018 | 49 | -4.89 | -9.08% | Jun 30, 2018 |
| Q1 2018 | 50.4 | -3.55 | -6.59% | Mar 31, 2018 |
| Q4 2017 | 51.2 | -3.74 | -6.81% | Dec 31, 2017 |
| Q3 2017 | 52.8 | -3.09 | -5.53% | Sep 30, 2017 |
| Q2 2017 | 53.8 | -4.01 | -6.93% | Jun 30, 2017 |
| Q1 2017 | 53.9 | -5.95 | -9.94% | Mar 31, 2017 |
| Q4 2016 | 55 | -6.33 | -10.3% | Dec 31, 2016 |
| Q3 2016 | 55.9 | -5.98 | -9.67% | Sep 30, 2016 |
| Q2 2016 | 57.9 | -4.41 | -7.08% | Jun 30, 2016 |
| Q1 2016 | 59.9 | -4.21 | -6.57% | Mar 31, 2016 |
| Q4 2015 | 61.3 | -4.5 | -6.84% | Dec 31, 2015 |
| Q3 2015 | 61.9 | -6.15 | -9.04% | Sep 30, 2015 |
| Q2 2015 | 62.3 | -7.83 | -11.2% | Jun 30, 2015 |
| Q1 2015 | 64.1 | -9.37 | -12.8% | Mar 31, 2015 |
| Q4 2014 | 65.8 | -10.5 | -13.8% | Dec 31, 2014 |
| Q3 2014 | 68 | -10 | -12.9% | Sep 30, 2014 |
| Q2 2014 | 70.1 | -10 | -12.5% | Jun 30, 2014 |
| Q1 2014 | 73.4 | -5.72 | -7.23% | Mar 31, 2014 |
| Q4 2013 | 76.3 | -2.69 | -3.41% | Dec 31, 2013 |
| Q3 2013 | 78 | -2.39 | -2.97% | Sep 30, 2013 |
| Q2 2013 | 80.1 | -1.57 | -1.92% | Jun 30, 2013 |
| Q1 2013 | 79.2 | -4.16 | -4.99% | Mar 31, 2013 |
| Q4 2012 | 79 | -6.69 | -7.81% | Dec 31, 2012 |
| Q3 2012 | 80.4 | -8.26 | -9.31% | Sep 30, 2012 |
| Q2 2012 | 81.7 | -8.79 | -9.72% | Jun 30, 2012 |
| Q1 2012 | 83.3 | -8.33 | -9.09% | Mar 31, 2012 |
| Q4 2011 | 85.7 | -4.45 | -4.94% | Dec 31, 2011 |
| Q3 2011 | 88.7 | Sep 30, 2011 | ||
| Q2 2011 | 90.5 | Jun 30, 2011 | ||
| Q1 2011 | 91.6 | Mar 31, 2011 | ||
| Q4 2010 | 90.1 | Dec 31, 2010 |