| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 79.5 | +3.81 | +5.04% | Jun 29, 2024 |
| Q1 2024 | 78.1 | +3.89 | +5.24% | Mar 30, 2024 |
| Q4 2023 | 78 | +6.33 | +8.84% | Dec 30, 2023 |
| Q3 2023 | 76.8 | +5.77 | +8.13% | Sep 30, 2023 |
| Q2 2023 | 75.7 | +4.59 | +6.46% | Jul 1, 2023 |
| Q1 2023 | 74.2 | +1.81 | +2.5% | Apr 1, 2023 |
| Q4 2022 | 71.6 | -2.42 | -3.27% | Dec 31, 2022 |
| Q3 2022 | 71 | -5.23 | -6.86% | Oct 1, 2022 |
| Q2 2022 | 71.1 | -9.3 | -11.6% | Jul 2, 2022 |
| Q1 2022 | 72.4 | -9.55 | -11.7% | Apr 2, 2022 |
| Q4 2021 | 74.1 | -8.57 | -10.4% | Jan 1, 2022 |
| Q3 2021 | 76.2 | -5.68 | -6.93% | Oct 2, 2021 |
| Q2 2021 | 80.4 | +1.95 | +2.49% | Jul 3, 2021 |
| Q1 2021 | 82 | +5.66 | +7.42% | Apr 3, 2021 |
| Q4 2020 | 82.6 | +8.35 | +11.2% | Jan 2, 2021 |
| Q3 2020 | 81.9 | +9.42 | +13% | Oct 3, 2020 |
| Q2 2020 | 78.4 | +7.92 | +11.2% | Jun 27, 2020 |
| Q1 2020 | 76.3 | +5.26 | +7.41% | Mar 28, 2020 |
| Q4 2019 | 74.3 | +1.67 | +2.3% | Dec 28, 2019 |
| Q3 2019 | 72.5 | -3.54 | -4.66% | Sep 28, 2019 |
| Q2 2019 | 70.5 | -8.72 | -11% | Jun 29, 2019 |
| Q1 2019 | 71 | -5.14 | -6.75% | Mar 30, 2019 |
| Q4 2018 | 72.6 | -3.52 | -4.62% | Dec 29, 2018 |
| Q3 2018 | 76 | +0.36 | +0.48% | Sep 30, 2018 |
| Q2 2018 | 79.2 | +2.7 | +3.53% | Jun 30, 2018 |
| Q1 2018 | 76.2 | -5.43 | -6.66% | Mar 31, 2018 |
| Q4 2017 | 76.1 | -7.07 | -8.5% | Dec 30, 2017 |
| Q3 2017 | 75.7 | -9.04 | -10.7% | Sep 30, 2017 |
| Q2 2017 | 76.5 | -8.22 | -9.7% | Jul 1, 2017 |
| Q1 2017 | 81.6 | -3.78 | -4.43% | Apr 1, 2017 |
| Q4 2016 | 83.2 | -3 | -3.48% | Dec 31, 2016 |
| Q3 2016 | 84.7 | +0.67 | +0.8% | Oct 1, 2016 |
| Q2 2016 | 84.7 | +3.64 | +4.49% | Jul 2, 2016 |
| Q1 2016 | 85.4 | +6.79 | +8.64% | Apr 2, 2016 |
| Q4 2015 | 86.2 | +9.39 | +12.2% | Jan 2, 2016 |
| Q3 2015 | 84.1 | +7.21 | +9.38% | Oct 3, 2015 |
| Q2 2015 | 81.1 | +3.04 | +3.9% | Jul 4, 2015 |
| Q1 2015 | 78.6 | -1.73 | -2.15% | Apr 4, 2015 |
| Q4 2014 | 76.8 | -4.53 | -5.57% | Jan 3, 2015 |
| Q3 2014 | 76.8 | -6.54 | -7.84% | Sep 27, 2014 |
| Q2 2014 | 78.1 | -6.71 | -7.92% | Jun 28, 2014 |
| Q1 2014 | 80.3 | -2.39 | -2.89% | Mar 29, 2014 |
| Q4 2013 | 81.3 | -0.99 | -1.2% | Dec 28, 2013 |
| Q3 2013 | 83.4 | -0.04 | -0.05% | Sep 28, 2013 |
| Q2 2013 | 84.8 | -1.24 | -1.44% | Jun 29, 2013 |
| Q1 2013 | 82.7 | -7.48 | -8.29% | Mar 30, 2013 |
| Q4 2012 | 82.3 | -13 | -13.6% | Dec 29, 2012 |
| Q3 2012 | 83.4 | -12.4 | -13% | Sep 29, 2012 |
| Q2 2012 | 86 | -11 | -11.3% | Jun 30, 2012 |
| Q1 2012 | 90.2 | -9.16 | -9.22% | Mar 31, 2012 |
| Q4 2011 | 95.3 | Dec 31, 2011 | ||
| Q3 2011 | 95.8 | Oct 1, 2011 | ||
| Q2 2011 | 97 | Jul 2, 2011 | ||
| Q1 2011 | 99.3 | Apr 2, 2011 |