| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2023 | 83 | +4.9 | +6.27% | Mar 26, 2023 |
| Q4 2022 | 79.5 | +1.26 | +1.61% | Dec 25, 2022 |
| Q3 2022 | 76.6 | +1.72 | +2.3% | Sep 25, 2022 |
| Q2 2022 | 76.1 | +7.79 | +11.4% | Jun 26, 2022 |
| Q1 2022 | 78.1 | +14.7 | +23.1% | Mar 27, 2022 |
| Q4 2021 | 78.2 | +21.6 | +38.2% | Dec 26, 2021 |
| Q3 2021 | 74.9 | +16.9 | +29.1% | Sep 26, 2021 |
| Q2 2021 | 68.3 | +6.63 | +10.7% | Jun 27, 2021 |
| Q1 2021 | 63.5 | -4.11 | -6.08% | Mar 28, 2021 |
| Q4 2020 | 56.6 | -18.4 | -24.5% | Dec 27, 2020 |
| Q3 2020 | 58 | -18.8 | -24.5% | Sep 27, 2020 |
| Q2 2020 | 61.7 | -16.4 | -21% | Jun 28, 2020 |
| Q1 2020 | 67.6 | -9.15 | -11.9% | Mar 29, 2020 |
| Q4 2019 | 74.9 | -3.18 | -4.07% | Dec 29, 2019 |
| Q3 2019 | 76.8 | -2.78 | -3.5% | Sep 29, 2019 |
| Q2 2019 | 78.1 | -2.26 | -2.81% | Jun 30, 2019 |
| Q1 2019 | 76.7 | -6.66 | -7.99% | Mar 31, 2019 |
| Q4 2018 | 78.1 | -9.49 | -10.8% | Dec 30, 2018 |
| Q3 2018 | 79.6 | -9.73 | -10.9% | Sep 30, 2018 |
| Q2 2018 | 80.4 | -12.6 | -13.6% | Jul 1, 2018 |
| Q1 2018 | 83.4 | -11.8 | -12.4% | Apr 1, 2018 |
| Q4 2017 | 87.6 | -7.95 | -8.32% | Dec 24, 2017 |
| Q3 2017 | 89.3 | -10.3 | -10.3% | Sep 24, 2017 |
| Q2 2017 | 93 | -11.7 | -11.1% | Jun 25, 2017 |
| Q1 2017 | 95.2 | -10.8 | -10.2% | Mar 26, 2017 |
| Q4 2016 | 95.5 | -11.2 | -10.5% | Dec 25, 2016 |
| Q3 2016 | 99.6 | -4.67 | -4.48% | Sep 25, 2016 |
| Q2 2016 | 105 | +2.51 | +2.46% | Jun 26, 2016 |
| Q1 2016 | 106 | +7.84 | +7.98% | Mar 27, 2016 |
| Q4 2015 | 107 | +10.1 | +10.4% | Dec 27, 2015 |
| Q3 2015 | 104 | +4.74 | +4.77% | Sep 27, 2015 |
| Q2 2015 | 102 | +3.86 | +3.93% | Jun 28, 2015 |
| Q1 2015 | 98.2 | +1.19 | +1.23% | Mar 29, 2015 |
| Q4 2014 | 96.7 | +6.4 | +7.09% | Dec 28, 2014 |
| Q3 2014 | 99.5 | +20.7 | +26.3% | Sep 28, 2014 |
| Q2 2014 | 98.3 | +27.4 | +38.6% | Jun 29, 2014 |
| Q1 2014 | 97 | +33.3 | +52.2% | Mar 30, 2014 |
| Q4 2013 | 90.3 | +31.2 | +52.7% | Dec 29, 2013 |
| Q3 2013 | 78.8 | +25.2 | +46.9% | Sep 29, 2013 |
| Q2 2013 | 70.9 | +17.9 | +33.8% | Jun 30, 2013 |
| Q1 2013 | 63.8 | +9.93 | +18.4% | Mar 31, 2013 |
| Q4 2012 | 59.1 | +3.77 | +6.81% | Dec 30, 2012 |
| Q3 2012 | 53.6 | Sep 30, 2012 | ||
| Q2 2012 | 53 | Jul 1, 2012 | ||
| Q1 2012 | 53.8 | Apr 1, 2012 | ||
| Q4 2011 | 55.4 | Dec 25, 2011 |