| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 79.8 | -13.1 | -14.1% | Mar 31, 2024 |
| Q4 2023 | 82.2 | -13.9 | -14.4% | Dec 31, 2023 |
| Q3 2023 | 86.8 | -7.65 | -8.1% | Sep 24, 2023 |
| Q2 2023 | 89.2 | -3.63 | -3.91% | Jun 25, 2023 |
| Q1 2023 | 92.9 | +3.3 | +3.69% | Mar 26, 2023 |
| Q4 2022 | 96.1 | +3.76 | +4.07% | Dec 25, 2022 |
| Q3 2022 | 94.5 | -1.98 | -2.05% | Sep 25, 2022 |
| Q2 2022 | 92.8 | -9.17 | -8.99% | Jun 26, 2022 |
| Q1 2022 | 89.6 | -17.3 | -16.2% | Mar 27, 2022 |
| Q4 2021 | 92.3 | -7.98 | -7.96% | Dec 26, 2021 |
| Q3 2021 | 96.5 | +0.93 | +0.97% | Sep 26, 2021 |
| Q2 2021 | 102 | +12 | +13.3% | Jun 27, 2021 |
| Q1 2021 | 107 | +18.7 | +21.3% | Mar 28, 2021 |
| Q4 2020 | 100 | +10.8 | +12.1% | Dec 27, 2020 |
| Q3 2020 | 95.5 | +2.27 | +2.43% | Sep 27, 2020 |
| Q2 2020 | 90 | -4.85 | -5.12% | Jun 28, 2020 |
| Q1 2020 | 88.1 | -10.3 | -10.5% | Mar 29, 2020 |
| Q4 2019 | 89.5 | -15.2 | -14.5% | Dec 29, 2019 |
| Q3 2019 | 93.3 | -16.8 | -15.3% | Sep 29, 2019 |
| Q2 2019 | 94.8 | -22.9 | -19.4% | Jun 30, 2019 |
| Q1 2019 | 98.4 | -24.2 | -19.7% | Mar 31, 2019 |
| Q4 2018 | 105 | -20 | -16% | Dec 30, 2018 |
| Q3 2018 | 110 | -10.9 | -9.03% | Sep 30, 2018 |
| Q2 2018 | 118 | -1.52 | -1.28% | Jul 1, 2018 |
| Q1 2018 | 123 | +6.45 | +5.55% | Apr 1, 2018 |
| Q4 2017 | 125 | +5.83 | +4.91% | Dec 31, 2017 |
| Q3 2017 | 121 | +1.92 | +1.61% | Sep 24, 2017 |
| Q2 2017 | 119 | -3.38 | -2.76% | Jun 25, 2017 |
| Q1 2017 | 116 | -9.88 | -7.84% | Mar 26, 2017 |
| Q4 2016 | 119 | -10.3 | -8.01% | Dec 25, 2016 |
| Q3 2016 | 119 | -16.5 | -12.2% | Sep 25, 2016 |
| Q2 2016 | 123 | -17.9 | -12.7% | Jun 26, 2016 |
| Q1 2016 | 126 | -18.9 | -13% | Mar 27, 2016 |
| Q4 2015 | 129 | -13 | -9.14% | Dec 27, 2015 |
| Q3 2015 | 136 | -3.92 | -2.81% | Sep 27, 2015 |
| Q2 2015 | 140 | +6.22 | +4.64% | Jun 28, 2015 |
| Q1 2015 | 145 | +10.4 | +7.69% | Mar 29, 2015 |
| Q4 2014 | 142 | +11.1 | +8.45% | Dec 28, 2014 |
| Q3 2014 | 140 | +12.1 | +9.52% | Sep 28, 2014 |
| Q2 2014 | 134 | +11.1 | +9% | Jun 29, 2014 |
| Q1 2014 | 135 | +17.4 | +14.8% | Mar 30, 2014 |
| Q4 2013 | 131 | +13.7 | +11.7% | Dec 29, 2013 |
| Q3 2013 | 127 | +9.33 | +7.9% | Sep 29, 2013 |
| Q2 2013 | 123 | +10 | +8.88% | Jun 30, 2013 |
| Q1 2013 | 117 | +10.1 | +9.43% | Mar 31, 2013 |
| Q4 2012 | 117 | +19.3 | +19.7% | Dec 30, 2012 |
| Q3 2012 | 118 | +12.3 | +11.6% | Sep 23, 2012 |
| Q2 2012 | 113 | +3.37 | +3.07% | Jun 24, 2012 |
| Q1 2012 | 107 | +18.7 | +21.2% | Mar 25, 2012 |
| Q4 2011 | 98.1 | +21.6 | +28.2% | Dec 25, 2011 |
| Q3 2011 | 106 | Sep 25, 2011 | ||
| Q2 2011 | 110 | Jun 26, 2011 | ||
| Q1 2011 | 88.4 | Mar 27, 2011 | ||
| Q4 2010 | 76.5 | Dec 26, 2010 |