| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 76.4 | -12 | -13.6% | Sep 27, 2024 |
| Q2 2024 | 78.8 | -7.76 | -8.96% | Jun 28, 2024 |
| Q1 2024 | 81.2 | -3.37 | -3.99% | Mar 29, 2024 |
| Q4 2023 | 84.7 | +3.24 | +3.98% | Dec 29, 2023 |
| Q3 2023 | 88.4 | +10.5 | +13.5% | Sep 29, 2023 |
| Q2 2023 | 86.6 | +10.8 | +14.2% | Jun 30, 2023 |
| Q1 2023 | 84.6 | +11 | +14.9% | Mar 31, 2023 |
| Q4 2022 | 81.5 | +9.8 | +13.7% | Dec 30, 2022 |
| Q3 2022 | 77.9 | +7.14 | +10.1% | Sep 23, 2022 |
| Q2 2022 | 75.9 | +5.1 | +7.21% | Jun 24, 2022 |
| Q1 2022 | 73.6 | +0.46 | +0.63% | Mar 25, 2022 |
| Q4 2021 | 71.7 | -5.58 | -7.22% | Dec 24, 2021 |
| Q3 2021 | 70.8 | -9.47 | -11.8% | Sep 24, 2021 |
| Q2 2021 | 70.8 | -13.3 | -15.8% | Jun 25, 2021 |
| Q1 2021 | 73.1 | -12.9 | -14.9% | Mar 26, 2021 |
| Q4 2020 | 77.2 | -9.59 | -11% | Dec 25, 2020 |
| Q3 2020 | 80.2 | -8.46 | -9.54% | Sep 25, 2020 |
| Q2 2020 | 84.1 | -5.91 | -6.57% | Jun 26, 2020 |
| Q1 2020 | 86 | -6.26 | -6.79% | Mar 27, 2020 |
| Q4 2019 | 86.8 | -8.18 | -8.61% | Dec 27, 2019 |
| Q3 2019 | 88.7 | -7.63 | -7.92% | Sep 27, 2019 |
| Q2 2019 | 90 | -6.76 | -6.99% | Jun 28, 2019 |
| Q1 2019 | 92.2 | -2.24 | -2.37% | Mar 29, 2019 |
| Q4 2018 | 95 | +3.65 | +4% | Dec 28, 2018 |
| Q3 2018 | 96.3 | +8.12 | +9.21% | Sep 28, 2018 |
| Q2 2018 | 96.7 | +10.9 | +12.6% | Jun 29, 2018 |
| Q1 2018 | 94.5 | +6.88 | +7.85% | Mar 30, 2018 |
| Q4 2017 | 91.4 | +1 | +1.11% | Dec 29, 2017 |
| Q3 2017 | 88.2 | -4.47 | -4.82% | Sep 29, 2017 |
| Q2 2017 | 85.9 | -11.4 | -11.7% | Jun 30, 2017 |
| Q1 2017 | 87.6 | -13.3 | -13.2% | Mar 31, 2017 |
| Q4 2016 | 90.4 | -10.8 | -10.6% | Dec 30, 2016 |
| Q3 2016 | 92.7 | -11.3 | -10.9% | Sep 23, 2016 |
| Q2 2016 | 97.2 | -8.49 | -8.03% | Jun 24, 2016 |
| Q1 2016 | 101 | -3.84 | -3.67% | Mar 25, 2016 |
| Q4 2015 | 101 | -5.23 | -4.92% | Dec 25, 2015 |
| Q3 2015 | 104 | -4.21 | -3.89% | Sep 25, 2015 |
| Q2 2015 | 106 | -0.15 | -0.14% | Jun 26, 2015 |
| Q1 2015 | 105 | +4.42 | +4.41% | Mar 27, 2015 |
| Q4 2014 | 106 | +11.7 | +12.4% | Dec 26, 2014 |
| Q3 2014 | 108 | +18.3 | +20.4% | Sep 26, 2014 |
| Q2 2014 | 106 | +22.2 | +26.5% | Jun 27, 2014 |
| Q1 2014 | 100 | +22.6 | +29.1% | Mar 28, 2014 |
| Q4 2013 | 94.7 | +22.5 | +31.2% | Dec 27, 2013 |
| Q3 2013 | 89.9 | +25.6 | +39.9% | Sep 27, 2013 |
| Q2 2013 | 83.7 | +27.1 | +48% | Jun 28, 2013 |
| Q1 2013 | 77.7 | +30.4 | +64.4% | Mar 29, 2013 |
| Q4 2012 | 72.1 | Dec 28, 2012 | ||
| Q3 2012 | 64.3 | Sep 28, 2012 | ||
| Q2 2012 | 56.6 | Jun 29, 2012 | ||
| Q1 2012 | 47.3 | Mar 30, 2012 |