| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 90.5 | +7.28 | +8.75% | Mar 31, 2024 | |
| Q4 2023 | 89 | +5.94 | +7.16% | Dec 31, 2023 | |
| Q3 2023 | 85.1 | -2.82 | -3.21% | Sep 30, 2023 | |
| Q2 2023 | 84 | -7.16 | -7.85% | Jun 30, 2023 | |
| Q1 2023 | 83.2 | -7.28 | -8.04% | Mar 31, 2023 | |
| Q4 2022 | 83 | -8.15 | -8.94% | Dec 31, 2022 | |
| Q3 2022 | 88 | -6.13 | -6.52% | Sep 30, 2022 | |
| Q2 2022 | 91.2 | -6.26 | -6.42% | Jun 30, 2022 | |
| Q1 2022 | 90.5 | -13 | -12.6% | Mar 31, 2022 | |
| Q4 2021 | 91.2 | -15.3 | -14.3% | Dec 31, 2021 | |
| Q3 2021 | 94.1 | -8.12 | -7.94% | Sep 30, 2021 | |
| Q2 2021 | 97.5 | -0.84 | -0.86% | Jun 30, 2021 | |
| Q1 2021 | 104 | +10.5 | +11.3% | Mar 31, 2021 | |
| Q4 2020 | 106 | +14.2 | +15.4% | Dec 31, 2020 | |
| Q3 2020 | 102 | +2.19 | +2.19% | Sep 30, 2020 | |
| Q2 2020 | 98.3 | -10.8 | -9.87% | Jun 30, 2020 | |
| Q1 2020 | 93.1 | -23.9 | -20.4% | Mar 31, 2020 | |
| Q4 2019 | 92.3 | -28.3 | -23.5% | Dec 31, 2019 | |
| Q3 2019 | 100 | -18.8 | -15.8% | Sep 30, 2019 | |
| Q2 2019 | 109 | -1.82 | -1.64% | Jun 30, 2019 | |
| Q1 2019 | 117 | +14.7 | +14.4% | Mar 31, 2019 | |
| Q4 2018 | 121 | +25.5 | +26.8% | Dec 31, 2018 | |
| Q3 2018 | 119 | +27.5 | +30.1% | Sep 30, 2018 | |
| Q2 2018 | 111 | +20.1 | +22.1% | Jun 30, 2018 | |
| Q1 2018 | 102 | +9.27 | +9.97% | Mar 31, 2018 | |
| Q4 2017 | 95.1 | +2.47 | +2.67% | Dec 31, 2017 | |
| Q3 2017 | 91.4 | -16 | -14.9% | Sep 30, 2017 | |
| Q2 2017 | 90.8 | -38.4 | -29.7% | Jun 30, 2017 | |
| Q1 2017 | 93 | -65.3 | -41.3% | Mar 31, 2017 | |
| Q4 2016 | 92.6 | -98.5 | -51.5% | Dec 31, 2016 | |
| Q3 2016 | 107 | -74.6 | -41% | Sep 30, 2016 | |
| Q2 2016 | 129 | -33.2 | -20.4% | Jun 30, 2016 | |
| Q1 2016 | 158 | +22.9 | +16.9% | Mar 31, 2016 | |
| Q4 2015 | 191 | +60.7 | +46.5% | Dec 31, 2015 | |
| Q3 2015 | 182 | +52.6 | +40.7% | Sep 30, 2015 | |
| Q2 2015 | 162 | +35.3 | +27.7% | Jun 30, 2015 | |
| Q1 2015 | 135 | +8.9 | +7.03% | Mar 31, 2015 | |
| Q4 2014 | 130 | +9.01 | +7.42% | Dec 31, 2014 | |
| Q3 2014 | 129 | +8.09 | +6.68% | Sep 30, 2014 | |
| Q2 2014 | 127 | +2.59 | +2.08% | Jun 30, 2014 | |
| Q1 2014 | 127 | -6.42 | -4.83% | Mar 31, 2014 | |
| Q4 2013 | 121 | -16.3 | -11.8% | Dec 31, 2013 | |
| Q3 2013 | 121 | -14 | -10.4% | Sep 30, 2013 | |
| Q2 2013 | 124 | -6.07 | -4.65% | Jun 30, 2013 | |
| Q1 2013 | 133 | +10 | +8.15% | Mar 31, 2013 | |
| Q4 2012 | 138 | +21.1 | +18% | Dec 31, 2012 | |
| Q3 2012 | 135 | +8.71 | +6.89% | Sep 30, 2012 | |
| Q2 2012 | 131 | -6.45 | -4.71% | Jun 30, 2012 | |
| Q1 2012 | 123 | -19.8 | -13.9% | Mar 31, 2012 | |
| Q4 2011 | 117 | -30.1 | -20.5% | Dec 31, 2011 | |
| Q3 2011 | 126 | Sep 30, 2011 | |||
| Q2 2011 | 137 | Jun 30, 2011 | |||
| Q1 2011 | 143 | Mar 31, 2011 | |||
| Q4 2010 | 147 | Dec 31, 2010 |