| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 48.8 | -6.25 | -11.4% | Sep 30, 2024 |
| Q2 2024 | 50.5 | -2.13 | -4.05% | Jun 30, 2024 |
| Q1 2024 | 50.6 | -1.28 | -2.47% | Mar 31, 2024 |
| Q4 2023 | 54.8 | +2.42 | +4.62% | Dec 31, 2023 |
| Q3 2023 | 55.1 | +1.68 | +3.15% | Sep 30, 2023 |
| Q2 2023 | 52.6 | -2.07 | -3.78% | Jun 30, 2023 |
| Q1 2023 | 51.9 | -2.21 | -4.09% | Mar 31, 2023 |
| Q4 2022 | 52.4 | +0.39 | +0.75% | Dec 31, 2022 |
| Q3 2022 | 53.4 | +2.58 | +5.08% | Sep 30, 2022 |
| Q2 2022 | 54.7 | +5.23 | +10.6% | Jun 30, 2022 |
| Q1 2022 | 54.1 | +7.3 | +15.6% | Mar 31, 2022 |
| Q4 2021 | 52 | +7.76 | +17.5% | Dec 31, 2021 |
| Q3 2021 | 50.8 | +7 | +16% | Sep 30, 2021 |
| Q2 2021 | 49.5 | +6.28 | +14.5% | Jun 30, 2021 |
| Q1 2021 | 46.8 | +3.2 | +7.34% | Mar 31, 2021 |
| Q4 2020 | 44.2 | +0.09 | +0.2% | Dec 31, 2020 |
| Q3 2020 | 43.8 | +0.88 | +2.05% | Sep 30, 2020 |
| Q2 2020 | 43.2 | +0.79 | +1.86% | Jun 30, 2020 |
| Q1 2020 | 43.6 | +1.55 | +3.69% | Mar 31, 2020 |
| Q4 2019 | 44.2 | +0.93 | +2.15% | Dec 31, 2019 |
| Q3 2019 | 42.9 | +2.33 | +5.74% | Sep 30, 2019 |
| Q2 2019 | 42.4 | +1 | +2.42% | Jun 30, 2019 |
| Q1 2019 | 42.1 | +0.29 | +0.69% | Mar 31, 2019 |
| Q4 2018 | 43.2 | +2.92 | +7.25% | Dec 31, 2018 |
| Q3 2018 | 40.6 | -2.88 | -6.63% | Sep 30, 2018 |
| Q2 2018 | 41.4 | -1.67 | -3.88% | Jun 30, 2018 |
| Q1 2018 | 41.8 | -2.83 | -6.35% | Mar 31, 2018 |
| Q4 2017 | 40.3 | -7.21 | -15.2% | Dec 31, 2017 |
| Q3 2017 | 43.5 | -7.16 | -14.1% | Sep 30, 2017 |
| Q2 2017 | 43.1 | -9.06 | -17.4% | Jun 30, 2017 |
| Q1 2017 | 44.6 | -7.92 | -15.1% | Mar 31, 2017 |
| Q4 2016 | 47.5 | -4.12 | -7.98% | Dec 31, 2016 |
| Q3 2016 | 50.6 | +3.04 | +6.39% | Sep 30, 2016 |
| Q2 2016 | 52.1 | +1.2 | +2.36% | Jun 30, 2016 |
| Q1 2016 | 52.5 | -2.15 | -3.93% | Mar 31, 2016 |
| Q4 2015 | 51.6 | -7.79 | -13.1% | Dec 31, 2015 |
| Q3 2015 | 47.6 | -16.9 | -26.2% | Sep 30, 2015 |
| Q2 2015 | 50.9 | -7.38 | -12.7% | Jun 30, 2015 |
| Q1 2015 | 54.7 | +2.55 | +4.89% | Mar 31, 2015 |
| Q4 2014 | 59.4 | +11.6 | +24.1% | Dec 31, 2014 |
| Q3 2014 | 64.5 | +18.6 | +40.4% | Sep 30, 2014 |
| Q2 2014 | 58.3 | +7.97 | +15.8% | Jun 30, 2014 |
| Q1 2014 | 52.1 | -3.83 | -6.85% | Mar 31, 2014 |
| Q4 2013 | 47.9 | -14.9 | -23.8% | Dec 31, 2013 |
| Q3 2013 | 46 | -24.9 | -35.1% | Sep 30, 2013 |
| Q2 2013 | 50.4 | -18.8 | -27.2% | Jun 30, 2013 |
| Q1 2013 | 56 | -12.4 | -18.1% | Mar 31, 2013 |
| Q4 2012 | 62.8 | -3.9 | -5.85% | Dec 31, 2012 |
| Q3 2012 | 70.8 | +5.74 | +8.82% | Sep 30, 2012 |
| Q2 2012 | 69.2 | +5.42 | +8.51% | Jun 30, 2012 |
| Q1 2012 | 68.3 | +8.87 | +14.9% | Mar 31, 2012 |
| Q4 2011 | 66.7 | +10.9 | +19.4% | Dec 31, 2011 |
| Q3 2011 | 65.1 | Sep 30, 2011 | ||
| Q2 2011 | 63.7 | Jun 30, 2011 | ||
| Q1 2011 | 59.5 | Mar 31, 2011 | ||
| Q4 2010 | 55.8 | Dec 31, 2010 |