| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 85.4 | +17.4 | +25.6% | Mar 31, 2024 | |
| Q4 2023 | 82.4 | +19.3 | +30.7% | Dec 31, 2023 | |
| Q3 2023 | 79.1 | +17.4 | +28.2% | Sep 30, 2023 | |
| Q2 2023 | 73.4 | +9.54 | +15% | Jun 30, 2023 | |
| Q1 2023 | 68 | +3.61 | +5.61% | Mar 31, 2023 | |
| Q4 2022 | 63 | +0.63 | +1.01% | Dec 31, 2022 | |
| Q3 2022 | 61.7 | +3.34 | +5.72% | Sep 30, 2022 | |
| Q2 2022 | 63.8 | +5.35 | +9.15% | Jun 30, 2022 | |
| Q1 2022 | 64.4 | +3.02 | +4.92% | Mar 31, 2022 | |
| Q4 2021 | 62.4 | -4.04 | -6.08% | Dec 31, 2021 | |
| Q3 2021 | 58.4 | -14.4 | -19.8% | Sep 30, 2021 | |
| Q2 2021 | 58.5 | -17.3 | -22.8% | Jun 30, 2021 | |
| Q1 2021 | 61.4 | -11.5 | -15.7% | Mar 31, 2021 | |
| Q4 2020 | 66.4 | -5.16 | -7.21% | Dec 31, 2020 | |
| Q3 2020 | 72.8 | +1.63 | +2.29% | Sep 30, 2020 | |
| Q2 2020 | 75.7 | +6.35 | +9.15% | Jun 30, 2020 | |
| Q1 2020 | 72.8 | +4.24 | +6.18% | Mar 31, 2020 | |
| Q4 2019 | 71.6 | +5.6 | +8.49% | Dec 31, 2019 | |
| Q3 2019 | 71.1 | +8.55 | +13.7% | Sep 30, 2019 | |
| Q2 2019 | 69.4 | +11.6 | +20.1% | Jun 30, 2019 | |
| Q1 2019 | 68.6 | +13.2 | +23.9% | Mar 31, 2019 | |
| Q4 2018 | 66 | +14.5 | +28.1% | Dec 31, 2018 | |
| Q3 2018 | 62.6 | +16 | +34.3% | Sep 30, 2018 | |
| Q2 2018 | 57.8 | +11.8 | +25.7% | Jun 30, 2018 | |
| Q1 2018 | 55.4 | +10 | +22.2% | Mar 31, 2018 | |
| Q4 2017 | 51.5 | +3.98 | +8.37% | Dec 31, 2017 | |
| Q3 2017 | 46.6 | -6.07 | -11.5% | Sep 30, 2017 | |
| Q2 2017 | 46 | -13 | -22.1% | Jun 30, 2017 | |
| Q1 2017 | 45.3 | -21.1 | -31.8% | Mar 31, 2017 | |
| Q4 2016 | 47.6 | -24.6 | -34.1% | Dec 31, 2016 | |
| Q3 2016 | 52.6 | -22.1 | -29.6% | Sep 30, 2016 | |
| Q2 2016 | 59 | -17 | -22.3% | Jun 30, 2016 | |
| Q1 2016 | 66.4 | -9.22 | -12.2% | Mar 31, 2016 | |
| Q4 2015 | 72.2 | -2.3 | -3.09% | Dec 31, 2015 | |
| Q3 2015 | 74.8 | -0.65 | -0.86% | Sep 30, 2015 | |
| Q2 2015 | 76 | +3.22 | +4.43% | Jun 30, 2015 | |
| Q1 2015 | 75.7 | +7.4 | +10.8% | Mar 31, 2015 | |
| Q4 2014 | 74.5 | +9.64 | +14.9% | Dec 31, 2014 | |
| Q3 2014 | 75.4 | +10 | +15.3% | Sep 30, 2014 | |
| Q2 2014 | 72.8 | -2.07 | -2.77% | Jun 30, 2014 | |
| Q1 2014 | 68.3 | -18.2 | -21% | Mar 31, 2014 | |
| Q4 2013 | 64.9 | -37.7 | -36.7% | Dec 31, 2013 | |
| Q3 2013 | 65.4 | -44.4 | -40.4% | Sep 30, 2013 | |
| Q2 2013 | 74.8 | -37.3 | -33.2% | Jun 30, 2013 | |
| Q1 2013 | 86.4 | -27.4 | -24.1% | Mar 31, 2013 | |
| Q4 2012 | 103 | -8.81 | -7.91% | Dec 31, 2012 | |
| Q3 2012 | 110 | -4 | -3.52% | Sep 30, 2012 | |
| Q2 2012 | 112 | -5.59 | -4.75% | Jun 30, 2012 | |
| Q1 2012 | 114 | -2.76 | -2.37% | Mar 31, 2012 | |
| Q4 2011 | 111 | -8.23 | -6.88% | Dec 31, 2011 | |
| Q3 2011 | 114 | Sep 30, 2011 | |||
| Q2 2011 | 118 | Jun 30, 2011 | |||
| Q1 2011 | 117 | Mar 31, 2011 | |||
| Q4 2010 | 120 | Dec 31, 2010 |