| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 81.1 | +4.16 | +5.41% | Mar 30, 2024 |
| Q4 2023 | 80.9 | +6.83 | +9.22% | Dec 30, 2023 |
| Q3 2023 | 80.3 | +10.2 | +14.5% | Sep 30, 2023 |
| Q2 2023 | 77 | +7.48 | +10.8% | Jul 1, 2023 |
| Q1 2023 | 77 | +11.1 | +16.8% | Apr 1, 2023 |
| Q4 2022 | 74.1 | +9.82 | +15.3% | Dec 31, 2022 |
| Q3 2022 | 70.2 | +6.42 | +10.1% | Oct 1, 2022 |
| Q2 2022 | 69.5 | +4.87 | +7.54% | Jul 2, 2022 |
| Q1 2022 | 65.9 | +1.76 | +2.75% | Apr 2, 2022 |
| Q4 2021 | 64.2 | -1.12 | -1.71% | Jan 1, 2022 |
| Q3 2021 | 63.8 | -1.07 | -1.65% | Oct 2, 2021 |
| Q2 2021 | 64.6 | +2.28 | +3.66% | Jul 3, 2021 |
| Q1 2021 | 64.1 | +4.3 | +7.19% | Apr 3, 2021 |
| Q4 2020 | 65.4 | +7.52 | +13% | Dec 26, 2020 |
| Q3 2020 | 64.8 | +7.86 | +13.8% | Sep 26, 2020 |
| Q2 2020 | 62.3 | +5 | +8.72% | Jun 27, 2020 |
| Q1 2020 | 59.8 | +1.06 | +1.8% | Mar 28, 2020 |
| Q4 2019 | 57.9 | -0.69 | -1.18% | Dec 28, 2019 |
| Q3 2019 | 57 | -2.57 | -4.32% | Sep 28, 2019 |
| Q2 2019 | 57.3 | -3.2 | -5.29% | Jun 29, 2019 |
| Q1 2019 | 58.8 | -1.75 | -2.89% | Mar 30, 2019 |
| Q4 2018 | 58.5 | -8.34 | -12.5% | Dec 29, 2018 |
| Q3 2018 | 59.5 | -4.41 | -6.9% | Sep 29, 2018 |
| Q2 2018 | 60.5 | -3.44 | -5.38% | Jun 30, 2018 |
| Q1 2018 | 60.5 | -2.66 | -4.21% | Mar 31, 2018 |
| Q4 2017 | 66.9 | +3.32 | +5.22% | Dec 3, 2017 |
| Q3 2017 | 64 | -1.64 | -2.5% | Sep 3, 2017 |
| Q2 2017 | 64 | -2.29 | -3.46% | May 31, 2017 |
| Q1 2017 | 63.2 | -2.57 | -3.91% | Feb 28, 2017 |
| Q4 2016 | 63.6 | -0.79 | -1.23% | Nov 30, 2016 |
| Q3 2016 | 65.6 | +2.15 | +3.39% | Aug 31, 2016 |
| Q2 2016 | 66.3 | -0.62 | -0.93% | May 31, 2016 |
| Q1 2016 | 65.7 | +2.91 | +4.63% | Feb 29, 2016 |
| Q4 2015 | 64.4 | +2.34 | +3.77% | Nov 30, 2015 |
| Q3 2015 | 63.4 | +1.39 | +2.24% | Aug 31, 2015 |
| Q2 2015 | 66.9 | +8.87 | +15.3% | May 31, 2015 |
| Q1 2015 | 62.8 | +1.02 | +1.65% | Feb 28, 2015 |
| Q4 2014 | 62 | +0.72 | +1.18% | Nov 30, 2014 |
| Q3 2014 | 62 | -0.93 | -1.48% | Aug 31, 2014 |
| Q2 2014 | 58 | -5.19 | -8.21% | May 31, 2014 |
| Q1 2014 | 61.8 | -0.32 | -0.52% | Feb 28, 2014 |
| Q4 2013 | 61.3 | +0.93 | +1.54% | Nov 30, 2013 |
| Q3 2013 | 63 | +3.95 | +6.69% | Aug 31, 2013 |
| Q2 2013 | 63.2 | +3.71 | +6.24% | May 31, 2013 |
| Q1 2013 | 62.1 | +2.11 | +3.52% | Feb 28, 2013 |
| Q4 2012 | 60.4 | Nov 30, 2012 | ||
| Q3 2012 | 59 | Aug 31, 2012 | ||
| Q2 2012 | 59.5 | May 31, 2012 | ||
| Q1 2012 | 60 | Feb 29, 2012 |