| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 86.8 | +3.16 | +3.78% | Jun 29, 2024 |
| Q1 2024 | 87.1 | +3.6 | +4.31% | Mar 30, 2024 |
| Q4 2023 | 86.7 | +4.04 | +4.89% | Dec 30, 2023 |
| Q3 2023 | 85.2 | +2.16 | +2.6% | Sep 30, 2023 |
| Q2 2023 | 83.6 | -1.06 | -1.25% | Jul 1, 2023 |
| Q1 2023 | 83.5 | -2.02 | -2.36% | Apr 1, 2023 |
| Q4 2022 | 82.7 | -3.49 | -4.05% | Dec 31, 2022 |
| Q3 2022 | 83.1 | -1.42 | -1.68% | Oct 1, 2022 |
| Q2 2022 | 84.7 | +2.87 | +3.51% | Jul 2, 2022 |
| Q1 2022 | 85.5 | +5.83 | +7.32% | Apr 2, 2022 |
| Q4 2021 | 86.2 | +6.28 | +7.86% | Jan 1, 2022 |
| Q3 2021 | 84.5 | +3.97 | +4.93% | Oct 2, 2021 |
| Q2 2021 | 81.8 | 0 | 0% | Jul 3, 2021 |
| Q1 2021 | 79.7 | -4.15 | -4.95% | Apr 3, 2021 |
| Q4 2020 | 79.9 | -6.33 | -7.34% | Jan 2, 2021 |
| Q3 2020 | 80.5 | -10.4 | -11.4% | Oct 3, 2020 |
| Q2 2020 | 81.8 | -13.4 | -14.1% | Jul 4, 2020 |
| Q1 2020 | 83.8 | -16.5 | -16.5% | Apr 4, 2020 |
| Q4 2019 | 86.2 | -11.2 | -11.5% | Jan 4, 2020 |
| Q3 2019 | 90.9 | -1.23 | -1.34% | Sep 28, 2019 |
| Q2 2019 | 95.2 | +10.1 | +11.8% | Jun 29, 2019 |
| Q1 2019 | 100 | +21.4 | +27.1% | Mar 30, 2019 |
| Q4 2018 | 97.4 | +16.6 | +20.5% | Dec 29, 2018 |
| Q3 2018 | 92.1 | +9.72 | +11.8% | Sep 30, 2018 |
| Q2 2018 | 85.2 | -1.64 | -1.89% | Jun 30, 2018 |
| Q1 2018 | 79 | -10.8 | -12% | Mar 31, 2018 |
| Q4 2017 | 80.8 | -11.1 | -12.1% | Dec 30, 2017 |
| Q3 2017 | 82.4 | -13.2 | -13.8% | Sep 30, 2017 |
| Q2 2017 | 86.8 | -12 | -12.1% | Jul 1, 2017 |
| Q1 2017 | 89.7 | -13.2 | -12.8% | Apr 1, 2017 |
| Q4 2016 | 91.9 | -8.88 | -8.81% | Dec 31, 2016 |
| Q3 2016 | 95.6 | -6.05 | -5.95% | Oct 1, 2016 |
| Q2 2016 | 98.8 | -2.34 | -2.31% | Jul 2, 2016 |
| Q1 2016 | 103 | +3.62 | +3.65% | Apr 2, 2016 |
| Q4 2015 | 101 | +2.2 | +2.23% | Jan 2, 2016 |
| Q3 2015 | 102 | +7.1 | +7.51% | Oct 3, 2015 |
| Q2 2015 | 101 | +9.13 | +9.93% | Jul 4, 2015 |
| Q1 2015 | 99.3 | +8.38 | +9.22% | Apr 4, 2015 |
| Q4 2014 | 98.6 | +7.92 | +8.73% | Jan 3, 2015 |
| Q3 2014 | 94.5 | +0.6 | +0.64% | Sep 27, 2014 |
| Q2 2014 | 92 | -4.3 | -4.47% | Jun 28, 2014 |
| Q1 2014 | 90.9 | -7.71 | -7.82% | Mar 29, 2014 |
| Q4 2013 | 90.7 | -9.96 | -9.9% | Dec 28, 2013 |
| Q3 2013 | 93.9 | -6.78 | -6.73% | Sep 28, 2013 |
| Q2 2013 | 96.3 | -5.68 | -5.57% | Jun 29, 2013 |
| Q1 2013 | 98.6 | -5.95 | -5.69% | Mar 30, 2013 |
| Q4 2012 | 101 | -6.25 | -5.85% | Dec 29, 2012 |
| Q3 2012 | 101 | -6.6 | -6.15% | Sep 29, 2012 |
| Q2 2012 | 102 | -4.55 | -4.27% | Jun 30, 2012 |
| Q1 2012 | 105 | -0.3 | -0.29% | Mar 31, 2012 |
| Q4 2011 | 107 | Dec 31, 2011 | ||
| Q3 2011 | 107 | Oct 1, 2011 | ||
| Q2 2011 | 107 | Jul 2, 2011 | ||
| Q1 2011 | 105 | Apr 2, 2011 |