| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 113 | +5.48 | +5.1% | Mar 31, 2024 | |
| Q4 2023 | 110 | +3.34 | +3.12% | Dec 31, 2023 | |
| Q3 2023 | 109 | +1.08 | +1% | Sep 30, 2023 | |
| Q2 2023 | 108 | -2.05 | -1.87% | Jun 30, 2023 | |
| Q1 2023 | 107 | -1.18 | -1.09% | Mar 31, 2023 | |
| Q4 2022 | 107 | -3.01 | -2.74% | Dec 31, 2022 | |
| Q3 2022 | 108 | -1.38 | -1.26% | Sep 30, 2022 | |
| Q2 2022 | 110 | -3.05 | -2.71% | Jun 30, 2022 | |
| Q1 2022 | 109 | -7.75 | -6.66% | Mar 31, 2022 | |
| Q4 2021 | 110 | -7.47 | -6.36% | Dec 31, 2021 | |
| Q3 2021 | 110 | -17.1 | -13.5% | Sep 30, 2021 | |
| Q2 2021 | 113 | -9.62 | -7.87% | Jun 30, 2021 | |
| Q1 2021 | 116 | -2.71 | -2.28% | Mar 31, 2021 | |
| Q4 2020 | 118 | +0.25 | +0.21% | Dec 31, 2020 | |
| Q3 2020 | 127 | +23.4 | +22.7% | Sep 30, 2020 | |
| Q2 2020 | 122 | +18.7 | +18.1% | Jun 30, 2020 | |
| Q1 2020 | 119 | +12.1 | +11.3% | Mar 31, 2020 | |
| Q4 2019 | 117 | +10.7 | +10.1% | Dec 31, 2019 | |
| Q3 2019 | 103 | -2.24 | -2.13% | Sep 30, 2019 | |
| Q2 2019 | 104 | -1.29 | -1.23% | Jun 30, 2019 | |
| Q1 2019 | 107 | +6.81 | +6.79% | Mar 31, 2019 | |
| Q4 2018 | 107 | +5.98 | +5.95% | Dec 31, 2018 | |
| Q3 2018 | 105 | +3.82 | +3.76% | Sep 30, 2018 | |
| Q2 2018 | 105 | +6.61 | +6.73% | Jun 30, 2018 | |
| Q1 2018 | 100 | +6.63 | +7.08% | Mar 31, 2018 | |
| Q4 2017 | 101 | +8.74 | +9.52% | Dec 31, 2017 | |
| Q3 2017 | 102 | +10.4 | +11.4% | Sep 30, 2017 | |
| Q2 2017 | 98.2 | +3.55 | +3.75% | Jun 30, 2017 | |
| Q1 2017 | 93.6 | -6.77 | -6.75% | Mar 31, 2017 | |
| Q4 2016 | 91.8 | -12.7 | -12.2% | Dec 31, 2016 | |
| Q3 2016 | 91.2 | -14.1 | -13.4% | Sep 30, 2016 | |
| Q2 2016 | 94.7 | -11.9 | -11.2% | Jun 30, 2016 | |
| Q1 2016 | 100 | -5.44 | -5.14% | Mar 31, 2016 | |
| Q4 2015 | 105 | -2.2 | -2.06% | Dec 31, 2015 | |
| Q3 2015 | 105 | -4.74 | -4.31% | Sep 30, 2015 | |
| Q2 2015 | 107 | -3.16 | -2.88% | Jun 30, 2015 | |
| Q1 2015 | 106 | -2.22 | -2.06% | Mar 31, 2015 | |
| Q4 2014 | 107 | +1.13 | +1.07% | Dec 31, 2014 | |
| Q3 2014 | 110 | +5.38 | +5.14% | Sep 30, 2014 | |
| Q2 2014 | 110 | +2.68 | +2.5% | Jun 30, 2014 | |
| Q1 2014 | 108 | +0.19 | +0.18% | Mar 31, 2014 | |
| Q4 2013 | 106 | -2.16 | -2% | Dec 31, 2013 | |
| Q3 2013 | 105 | -1.96 | -1.84% | Sep 30, 2013 | |
| Q2 2013 | 107 | +1.06 | +1% | Jun 30, 2013 | |
| Q1 2013 | 108 | +1.75 | +1.65% | Mar 31, 2013 | |
| Q4 2012 | 108 | +4.9 | +4.76% | Dec 31, 2012 | |
| Q3 2012 | 107 | +10.6 | +11.1% | Sep 30, 2012 | |
| Q2 2012 | 106 | +10.8 | +11.3% | Jun 30, 2012 | |
| Q1 2012 | 106 | +15 | +16.5% | Mar 31, 2012 | |
| Q4 2011 | 103 | Dec 31, 2011 | |||
| Q3 2011 | 96.1 | Sep 30, 2011 | |||
| Q2 2011 | 95.3 | Jun 30, 2011 | |||
| Q1 2011 | 91.1 | Mar 31, 2011 |