| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 17.8 | -2.52 | -12.4% | Jun 15, 2024 |
| Q1 2024 | 18.1 | -2.05 | -10.2% | Mar 23, 2024 |
| Q4 2023 | 18.8 | -0.4 | -2.08% | Dec 30, 2023 |
| Q3 2023 | 19.5 | +1.03 | +5.57% | Sep 9, 2023 |
| Q2 2023 | 20.3 | +2.33 | +13% | Jun 17, 2023 |
| Q1 2023 | 20.1 | +1.78 | +9.7% | Mar 25, 2023 |
| Q4 2022 | 19.2 | +0.52 | +2.78% | Dec 31, 2022 |
| Q3 2022 | 18.5 | -0.59 | -3.09% | Sep 3, 2022 |
| Q2 2022 | 18 | -0.69 | -3.7% | Jun 11, 2022 |
| Q1 2022 | 18.3 | +0.43 | +2.4% | Mar 19, 2022 |
| Q4 2021 | 18.7 | +1.7 | +9.99% | Dec 25, 2021 |
| Q3 2021 | 19.1 | +2.44 | +14.6% | Sep 4, 2021 |
| Q2 2021 | 18.7 | +1.42 | +8.23% | Jun 12, 2021 |
| Q1 2021 | 17.9 | +0.24 | +1.36% | Mar 20, 2021 |
| Q4 2020 | 17 | -1.25 | -6.84% | Dec 26, 2020 |
| Q3 2020 | 16.7 | -0.98 | -5.56% | Sep 5, 2020 |
| Q2 2020 | 17.3 | +0.17 | +1% | Jun 13, 2020 |
| Q1 2020 | 17.7 | +2.09 | +13.4% | Mar 21, 2020 |
| Q4 2019 | 18.3 | +4.08 | +28.8% | Dec 28, 2019 |
| Q3 2019 | 17.6 | +3.39 | +23.8% | Sep 7, 2019 |
| Q2 2019 | 17.1 | +3.12 | +22.4% | Jun 15, 2019 |
| Q1 2019 | 15.6 | +1.11 | +7.67% | Mar 23, 2019 |
| Q4 2018 | 14.2 | -0.92 | -6.09% | Dec 29, 2018 |
| Q3 2018 | 14.3 | -0.5 | -3.39% | Sep 8, 2018 |
| Q2 2018 | 14 | -0.94 | -6.31% | Jun 16, 2018 |
| Q1 2018 | 14.5 | -0.95 | -6.16% | Mar 24, 2018 |
| Q4 2017 | 15.1 | -1.18 | -7.24% | Dec 30, 2017 |
| Q3 2017 | 14.8 | -2.33 | -13.6% | Sep 9, 2017 |
| Q2 2017 | 14.9 | -2.54 | -14.6% | Jun 17, 2017 |
| Q1 2017 | 15.4 | -1.9 | -11% | Mar 25, 2017 |
| Q4 2016 | 16.3 | -0.61 | -3.61% | Dec 31, 2016 |
| Q3 2016 | 17.1 | -0.25 | -1.44% | Sep 3, 2016 |
| Q2 2016 | 17.4 | +0.11 | +0.64% | Jun 11, 2016 |
| Q1 2016 | 17.3 | -0.62 | -3.46% | Mar 19, 2016 |
| Q4 2015 | 16.9 | -1.54 | -8.35% | Dec 26, 2015 |
| Q3 2015 | 17.3 | -1.51 | -8.02% | Sep 5, 2015 |
| Q2 2015 | 17.3 | -2.52 | -12.7% | Jun 13, 2015 |
| Q1 2015 | 17.9 | -2.12 | -10.6% | Mar 21, 2015 |
| Q4 2014 | 18.4 | -2.24 | -10.8% | Dec 27, 2014 |
| Q3 2014 | 18.8 | -2.31 | -10.9% | Sep 6, 2014 |
| Q2 2014 | 19.9 | -2.19 | -9.93% | Jun 14, 2014 |
| Q1 2014 | 20.1 | -2.48 | -11% | Mar 22, 2014 |
| Q4 2013 | 20.7 | -2.61 | -11.2% | Dec 28, 2013 |
| Q3 2013 | 21.1 | -2.16 | -9.27% | Sep 7, 2013 |
| Q2 2013 | 22.1 | -1.23 | -5.28% | Jun 15, 2013 |
| Q1 2013 | 22.5 | -1.18 | -4.98% | Mar 23, 2013 |
| Q4 2012 | 23.3 | +0.07 | +0.3% | Dec 29, 2012 |
| Q3 2012 | 23.3 | -0.03 | -0.13% | Sep 8, 2012 |
| Q2 2012 | 23.3 | +1.04 | +4.68% | Jun 16, 2012 |
| Q1 2012 | 23.7 | +1.85 | +8.46% | Mar 24, 2012 |
| Q4 2011 | 23.2 | +0.36 | +1.57% | Dec 31, 2011 |
| Q3 2011 | 23.3 | Sep 3, 2011 | ||
| Q2 2011 | 22.2 | Jun 11, 2011 | ||
| Q1 2011 | 21.9 | Mar 19, 2011 | ||
| Q4 2010 | 22.9 | Dec 25, 2010 |