| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 69.6 | +0.27 | +0.39% | Jun 29, 2024 |
| Q1 2024 | 68.1 | -2.39 | -3.39% | Mar 30, 2024 |
| Q4 2023 | 70.4 | +1.55 | +2.25% | Dec 30, 2023 |
| Q3 2023 | 70.2 | +1.69 | +2.47% | Sep 30, 2023 |
| Q2 2023 | 69.4 | +0.71 | +1.03% | Jul 1, 2023 |
| Q1 2023 | 70.5 | +0.65 | +0.93% | Apr 1, 2023 |
| Q4 2022 | 68.8 | -1.71 | -2.43% | Dec 31, 2022 |
| Q3 2022 | 68.5 | -2.75 | -3.86% | Oct 1, 2022 |
| Q2 2022 | 68.7 | -3.66 | -5.06% | Jul 2, 2022 |
| Q1 2022 | 69.8 | -2.89 | -3.98% | Apr 2, 2022 |
| Q4 2021 | 70.5 | -4.37 | -5.84% | Jan 1, 2022 |
| Q3 2021 | 71.2 | -5 | -6.56% | Oct 2, 2021 |
| Q2 2021 | 72.3 | -3.86 | -5.07% | Jul 3, 2021 |
| Q1 2021 | 72.7 | -1.82 | -2.44% | Apr 3, 2021 |
| Q4 2020 | 74.9 | +2.77 | +3.84% | Jan 2, 2021 |
| Q3 2020 | 76.2 | +4.58 | +6.4% | Sep 26, 2020 |
| Q2 2020 | 76.2 | +3.64 | +5.02% | Jun 27, 2020 |
| Q1 2020 | 74.5 | -0.9 | -1.19% | Mar 28, 2020 |
| Q4 2019 | 72.1 | -5.03 | -6.52% | Dec 28, 2019 |
| Q3 2019 | 71.6 | -4.85 | -6.34% | Sep 28, 2019 |
| Q2 2019 | 72.5 | +0.04 | +0.06% | Jun 29, 2019 |
| Q1 2019 | 75.4 | +6.32 | +9.15% | Mar 30, 2019 |
| Q4 2018 | 77.2 | +9.8 | +14.5% | Dec 29, 2018 |
| Q3 2018 | 76.5 | +9.46 | +14.1% | Sep 29, 2018 |
| Q2 2018 | 72.5 | +6.08 | +9.16% | Jun 30, 2018 |
| Q1 2018 | 69.1 | +3.37 | +5.13% | Mar 31, 2018 |
| Q4 2017 | 67.4 | +2.68 | +4.14% | Dec 30, 2017 |
| Q3 2017 | 67 | +4.8 | +7.72% | Sep 30, 2017 |
| Q2 2017 | 66.4 | +4.14 | +6.65% | Jul 1, 2017 |
| Q1 2017 | 65.7 | +1.64 | +2.56% | Apr 1, 2017 |
| Q4 2016 | 64.7 | -4.42 | -6.4% | Dec 31, 2016 |
| Q3 2016 | 62.2 | -12.8 | -17% | Oct 1, 2016 |
| Q2 2016 | 62.3 | -15.7 | -20.1% | Jul 2, 2016 |
| Q1 2016 | 64.1 | -15.8 | -19.8% | Apr 2, 2016 |
| Q4 2015 | 69.1 | -6.51 | -8.61% | Jan 2, 2016 |
| Q3 2015 | 75 | -2.47 | -3.19% | Oct 3, 2015 |
| Q2 2015 | 78 | -2.42 | -3.01% | Jul 4, 2015 |
| Q1 2015 | 79.9 | -1.53 | -1.88% | Apr 4, 2015 |
| Q4 2014 | 75.6 | -13.6 | -15.3% | Jan 3, 2015 |
| Q3 2014 | 77.4 | -8.65 | -10% | Sep 27, 2014 |
| Q2 2014 | 80.4 | -1.39 | -1.7% | Jun 28, 2014 |
| Q1 2014 | 81.5 | +3.84 | +4.95% | Mar 29, 2014 |
| Q4 2013 | 89.2 | +15.1 | +20.4% | Dec 28, 2013 |
| Q3 2013 | 86.1 | +8.38 | +10.8% | Sep 28, 2013 |
| Q2 2013 | 81.8 | -2.37 | -2.82% | Jun 29, 2013 |
| Q1 2013 | 77.6 | -15.9 | -17% | Mar 30, 2013 |
| Q4 2012 | 74.1 | -22.6 | -23.3% | Dec 29, 2012 |
| Q3 2012 | 77.7 | -18.8 | -19.5% | Sep 29, 2012 |
| Q2 2012 | 84.2 | -6.14 | -6.8% | Jun 30, 2012 |
| Q1 2012 | 93.5 | +7.28 | +8.45% | Mar 31, 2012 |
| Q4 2011 | 96.7 | +11.5 | +13.5% | Dec 31, 2011 |
| Q3 2011 | 96.5 | +8.03 | +9.08% | Oct 1, 2011 |
| Q2 2011 | 90.3 | Jul 2, 2011 | ||
| Q1 2011 | 86.2 | Apr 2, 2011 | ||
| Q4 2010 | 85.2 | Jan 1, 2011 | ||
| Q3 2010 | 88.5 | Oct 2, 2010 |