| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 117 | +0.35 | +0.3% | Mar 31, 2024 |
| Q4 2023 | 117 | +0.98 | +0.84% | Dec 31, 2023 |
| Q3 2023 | 115 | -1.8 | -1.54% | Sep 30, 2023 |
| Q2 2023 | 116 | -1.62 | -1.38% | Jun 30, 2023 |
| Q1 2023 | 116 | -1.53 | -1.3% | Mar 31, 2023 |
| Q4 2022 | 116 | -2.72 | -2.28% | Dec 31, 2022 |
| Q3 2022 | 117 | -2.63 | -2.2% | Sep 30, 2022 |
| Q2 2022 | 117 | -3.41 | -2.82% | Jun 30, 2022 |
| Q1 2022 | 118 | -4.01 | -3.29% | Mar 31, 2022 |
| Q4 2021 | 119 | -2.82 | -2.31% | Dec 31, 2021 |
| Q3 2021 | 120 | -2.98 | -2.43% | Sep 30, 2021 |
| Q2 2021 | 121 | -2.69 | -2.18% | Jun 30, 2021 |
| Q1 2021 | 122 | -2.63 | -2.11% | Mar 31, 2021 |
| Q4 2020 | 122 | -2.33 | -1.88% | Dec 31, 2020 |
| Q3 2020 | 123 | -2.45 | -1.96% | Sep 30, 2020 |
| Q2 2020 | 124 | -3.23 | -2.55% | Jun 30, 2020 |
| Q1 2020 | 124 | -4.01 | -3.12% | Mar 31, 2020 |
| Q4 2019 | 124 | -7.33 | -5.57% | Dec 31, 2019 |
| Q3 2019 | 125 | -7.67 | -5.77% | Sep 30, 2019 |
| Q2 2019 | 127 | -5.68 | -4.29% | Jun 30, 2019 |
| Q1 2019 | 129 | -3.55 | -2.69% | Mar 31, 2019 |
| Q4 2018 | 132 | -1.32 | -0.99% | Dec 31, 2018 |
| Q3 2018 | 133 | -1.46 | -1.09% | Sep 30, 2018 |
| Q2 2018 | 132 | -2.62 | -1.94% | Jun 30, 2018 |
| Q1 2018 | 132 | -3.6 | -2.65% | Mar 31, 2018 |
| Q4 2017 | 133 | -3.18 | -2.34% | Dec 31, 2017 |
| Q3 2017 | 134 | -1.84 | -1.35% | Sep 30, 2017 |
| Q2 2017 | 135 | -4.68 | -3.35% | Jun 30, 2017 |
| Q1 2017 | 136 | -8.25 | -5.73% | Mar 31, 2017 |
| Q4 2016 | 136 | -11.2 | -7.59% | Dec 31, 2016 |
| Q3 2016 | 136 | -14.8 | -9.81% | Sep 30, 2016 |
| Q2 2016 | 140 | -12.3 | -8.08% | Jun 30, 2016 |
| Q1 2016 | 144 | -10.2 | -6.63% | Mar 31, 2016 |
| Q4 2015 | 147 | -8.48 | -5.45% | Dec 31, 2015 |
| Q3 2015 | 151 | -6.58 | -4.18% | Sep 30, 2015 |
| Q2 2015 | 152 | -5.5 | -3.49% | Jun 30, 2015 |
| Q1 2015 | 154 | -2.59 | -1.65% | Mar 31, 2015 |
| Q4 2014 | 156 | -5.82 | -3.6% | Dec 31, 2014 |
| Q3 2014 | 158 | -9.85 | -5.88% | Sep 30, 2014 |
| Q2 2014 | 158 | -24.8 | -13.6% | Jun 30, 2014 |
| Q1 2014 | 157 | -44.1 | -22% | Mar 31, 2014 |
| Q4 2013 | 162 | -56.2 | -25.8% | Dec 31, 2013 |
| Q3 2013 | 167 | -62.4 | -27.2% | Sep 30, 2013 |
| Q2 2013 | 182 | -43.4 | -19.2% | Jun 30, 2013 |
| Q1 2013 | 201 | -23.9 | -10.6% | Mar 31, 2013 |
| Q4 2012 | 218 | -3.74 | -1.69% | Dec 31, 2012 |
| Q3 2012 | 230 | +11.3 | +5.19% | Sep 30, 2012 |
| Q2 2012 | 226 | -4.09 | -1.78% | Jun 30, 2012 |
| Q1 2012 | 225 | -16.1 | -6.68% | Mar 31, 2012 |
| Q4 2011 | 222 | -31.5 | -12.5% | Dec 31, 2011 |
| Q3 2011 | 219 | Sep 30, 2011 | ||
| Q2 2011 | 230 | Jun 30, 2011 | ||
| Q1 2011 | 241 | Mar 31, 2011 | ||
| Q4 2010 | 253 | Dec 31, 2010 |