| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 84.4 | +1.89 | +2.29% | Jun 29, 2024 |
| Q1 2024 | 85.4 | +3.61 | +4.41% | Mar 30, 2024 |
| Q4 2023 | 85.8 | +5.68 | +7.09% | Dec 30, 2023 |
| Q3 2023 | 83.5 | +4.24 | +5.35% | Sep 30, 2023 |
| Q2 2023 | 82.5 | +5.45 | +7.07% | Jul 1, 2023 |
| Q1 2023 | 81.8 | +9.82 | +13.6% | Apr 1, 2023 |
| Q4 2022 | 80.1 | +15.1 | +23.2% | Dec 31, 2022 |
| Q3 2022 | 79.2 | +19.4 | +32.4% | Oct 1, 2022 |
| Q2 2022 | 77.1 | +21.1 | +37.6% | Jul 2, 2022 |
| Q1 2022 | 72 | +17.1 | +31.1% | Apr 2, 2022 |
| Q4 2021 | 65.1 | +7.8 | +13.6% | Jan 1, 2022 |
| Q3 2021 | 59.8 | -1.46 | -2.38% | Oct 2, 2021 |
| Q2 2021 | 56 | -9.21 | -14.1% | Jul 3, 2021 |
| Q1 2021 | 54.9 | -12.5 | -18.5% | Apr 3, 2021 |
| Q4 2020 | 57.3 | -10.3 | -15.3% | Dec 26, 2020 |
| Q3 2020 | 61.3 | -4.71 | -7.14% | Sep 26, 2020 |
| Q2 2020 | 65.2 | +2.18 | +3.46% | Jun 27, 2020 |
| Q1 2020 | 67.4 | +5.45 | +8.8% | Mar 28, 2020 |
| Q4 2019 | 67.6 | +6.81 | +11.2% | Dec 28, 2019 |
| Q3 2019 | 66 | +3.39 | +5.42% | Sep 28, 2019 |
| Q2 2019 | 63.1 | -0.36 | -0.57% | Jun 29, 2019 |
| Q1 2019 | 61.9 | -3.01 | -4.64% | Mar 30, 2019 |
| Q4 2018 | 60.8 | -5.52 | -8.33% | Dec 29, 2018 |
| Q3 2018 | 62.6 | -3.05 | -4.65% | Sep 29, 2018 |
| Q2 2018 | 63.4 | -5.28 | -7.69% | Jun 30, 2018 |
| Q1 2018 | 64.9 | -4.9 | -7.02% | Mar 31, 2018 |
| Q4 2017 | 66.3 | -5.8 | -8.05% | Dec 30, 2017 |
| Q3 2017 | 65.7 | -8.09 | -11% | Sep 30, 2017 |
| Q2 2017 | 68.7 | -5.74 | -7.71% | Jul 1, 2017 |
| Q1 2017 | 69.8 | -6.66 | -8.71% | Apr 1, 2017 |
| Q4 2016 | 72.1 | -4.1 | -5.38% | Dec 31, 2016 |
| Q3 2016 | 73.7 | -2.3 | -3.03% | Oct 1, 2016 |
| Q2 2016 | 74.4 | -2.1 | -2.74% | Jul 2, 2016 |
| Q1 2016 | 76.5 | +2.38 | +3.21% | Apr 2, 2016 |
| Q4 2015 | 76.2 | +3.03 | +4.14% | Dec 26, 2015 |
| Q3 2015 | 76 | +2.91 | +3.98% | Sep 26, 2015 |
| Q2 2015 | 76.5 | +3.49 | +4.78% | Jun 27, 2015 |
| Q1 2015 | 74.1 | +1.94 | +2.69% | Mar 28, 2015 |
| Q4 2014 | 73.2 | -1.13 | -1.52% | Dec 27, 2014 |
| Q3 2014 | 73.1 | -1.78 | -2.38% | Sep 27, 2014 |
| Q2 2014 | 73 | -1.4 | -1.88% | Jun 28, 2014 |
| Q1 2014 | 72.2 | -1.77 | -2.39% | Mar 29, 2014 |
| Q4 2013 | 74.3 | +1.97 | +2.72% | Dec 28, 2013 |
| Q3 2013 | 74.9 | +2.5 | +3.45% | Sep 28, 2013 |
| Q2 2013 | 74.4 | +1.51 | +2.07% | Jun 29, 2013 |
| Q1 2013 | 73.9 | +1.57 | +2.17% | Mar 30, 2013 |
| Q4 2012 | 72.3 | +9.85 | +15.8% | Dec 29, 2012 |
| Q3 2012 | 72.4 | Sep 30, 2012 | ||
| Q2 2012 | 72.9 | Jun 30, 2012 | ||
| Q1 2012 | 72.4 | Mar 31, 2012 | ||
| Q4 2011 | 62.5 | Dec 31, 2011 |