| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 57.7 | -4.25 | -6.86% | Mar 31, 2024 |
| Q4 2023 | 57.5 | -7.81 | -12% | Dec 31, 2023 |
| Q3 2023 | 58.1 | -9.69 | -14.3% | Sep 30, 2023 |
| Q2 2023 | 58.9 | -13.6 | -18.7% | Jun 30, 2023 |
| Q1 2023 | 61.9 | -14.2 | -18.7% | Mar 31, 2023 |
| Q4 2022 | 65.3 | -15.5 | -19.2% | Dec 31, 2022 |
| Q3 2022 | 67.8 | -33.5 | -33.1% | Sep 30, 2022 |
| Q2 2022 | 72.5 | -30 | -29.3% | Jun 30, 2022 |
| Q1 2022 | 76.2 | -28.5 | -27.2% | Mar 31, 2022 |
| Q4 2021 | 80.7 | -26.8 | -25% | Dec 31, 2021 |
| Q3 2021 | 101 | -7.4 | -6.81% | Sep 30, 2021 |
| Q2 2021 | 103 | -4.18 | -3.92% | Jun 30, 2021 |
| Q1 2021 | 105 | +1.72 | +1.67% | Mar 31, 2021 |
| Q4 2020 | 108 | +8.51 | +8.59% | Dec 31, 2020 |
| Q3 2020 | 109 | +11.5 | +11.8% | Sep 30, 2020 |
| Q2 2020 | 107 | +9.77 | +10.1% | Jun 30, 2020 |
| Q1 2020 | 103 | +3.6 | +3.63% | Mar 31, 2020 |
| Q4 2019 | 99.1 | +1.03 | +1.05% | Dec 31, 2019 |
| Q3 2019 | 97.2 | +2.86 | +3.03% | Sep 30, 2019 |
| Q2 2019 | 96.9 | +3.77 | +4.05% | Jun 30, 2019 |
| Q1 2019 | 99.3 | +7.35 | +7.99% | Mar 31, 2019 |
| Q4 2018 | 98 | +4.83 | +5.18% | Dec 31, 2018 |
| Q3 2018 | 94.4 | -1.76 | -1.83% | Sep 30, 2018 |
| Q2 2018 | 93.1 | -2.76 | -2.88% | Jun 30, 2018 |
| Q1 2018 | 92 | -2.92 | -3.08% | Mar 31, 2018 |
| Q4 2017 | 93.2 | -1.67 | -1.76% | Dec 31, 2017 |
| Q3 2017 | 96.1 | -10.1 | -9.53% | Sep 30, 2017 |
| Q2 2017 | 95.9 | -25.3 | -20.8% | Jun 30, 2017 |
| Q1 2017 | 94.9 | -43.1 | -31.2% | Mar 31, 2017 |
| Q4 2016 | 94.9 | -62.5 | -39.7% | Dec 31, 2016 |
| Q3 2016 | 106 | -49.3 | -31.7% | Sep 30, 2016 |
| Q2 2016 | 121 | -30.9 | -20.3% | Jun 30, 2016 |
| Q1 2016 | 138 | -3.75 | -2.65% | Mar 31, 2016 |
| Q4 2015 | 157 | +22.1 | +16.3% | Dec 31, 2015 |
| Q3 2015 | 156 | +26.8 | +20.8% | Sep 30, 2015 |
| Q2 2015 | 152 | +30.8 | +25.4% | Jun 30, 2015 |
| Q1 2015 | 142 | +19.7 | +16.2% | Mar 31, 2015 |
| Q4 2014 | 135 | +14.8 | +12.3% | Dec 31, 2014 |
| Q3 2014 | 129 | +10.6 | +8.95% | Sep 30, 2014 |
| Q2 2014 | 121 | +3.66 | +3.11% | Jun 30, 2014 |
| Q1 2014 | 122 | +7.57 | +6.62% | Mar 31, 2014 |
| Q4 2013 | 120 | +9.46 | +8.52% | Dec 31, 2013 |
| Q3 2013 | 118 | +9.87 | +9.11% | Sep 30, 2013 |
| Q2 2013 | 118 | +8 | +7.3% | Jun 30, 2013 |
| Q1 2013 | 114 | +2.55 | +2.28% | Mar 31, 2013 |
| Q4 2012 | 111 | -2.75 | -2.42% | Dec 31, 2012 |
| Q3 2012 | 108 | -7.63 | -6.58% | Sep 30, 2012 |
| Q2 2012 | 110 | -5.1 | -4.45% | Jun 30, 2012 |
| Q1 2012 | 112 | -1.2 | -1.06% | Mar 31, 2012 |
| Q4 2011 | 114 | +2.97 | +2.68% | Dec 31, 2011 |
| Q3 2011 | 116 | Sep 30, 2011 | ||
| Q2 2011 | 115 | Jun 30, 2011 | ||
| Q1 2011 | 113 | Mar 31, 2011 | ||
| Q4 2010 | 111 | Dec 31, 2010 |