| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $30.5B | +$3.1B | +11.3% | Dec 31, 2023 | 20-F | 2024-03-25 |
| Q4 2022 | $27.4B | -$643M | -2.29% | Dec 31, 2022 | 20-F | 2024-03-25 |
| Q4 2021 | $28B | +$1.13B | +4.21% | Dec 31, 2021 | 20-F | 2023-03-21 |
| Q4 2020 | $26.9B | +$1.84B | +7.33% | Dec 31, 2020 | 20-F | 2022-03-02 |
| Q4 2019 | $25.1B | +$2.24B | +9.83% | Dec 31, 2019 | 20-F | 2021-02-25 |
| Q4 2018 | $22.8B | -$162M | -0.7% | Dec 31, 2018 | 20-F | 2020-03-02 |
| Q4 2017 | $23B | +$1.04B | +4.75% | Dec 31, 2017 | 20-F | 2019-03-20 |
| Q4 2016 | $21.9B | +$533M | +2.49% | Dec 31, 2016 | 20-F | 2018-03-14 |
| Q1 2016 | $22B | -$533M | -2.37% | Mar 31, 2016 | 10-Q | 2016-05-02 |
| Q4 2015 | $21.4B | -$864M | -3.88% | Dec 31, 2015 | 20-F | 2017-04-05 |
| Q3 2015 | $22B | -$1.18B | -5.09% | Sep 30, 2015 | 10-Q | 2015-10-30 |
| Q2 2015 | $22.5B | -$915M | -3.9% | Jun 30, 2015 | 10-Q | 2015-07-31 |
| Q1 2015 | $22.5B | -$1.03B | -4.38% | Mar 31, 2015 | 10-Q | 2015-05-04 |
| Q4 2014 | $22.3B | -$768M | -3.33% | Dec 31, 2014 | 10-K | 2016-02-25 |
| Q3 2014 | $23.2B | +$69.1M | +0.3% | Sep 30, 2014 | 10-Q | 2014-10-31 |
| Q2 2014 | $23.4B | +$876M | +3.88% | Jun 30, 2014 | 10-Q | 2014-08-01 |
| Q1 2014 | $23.5B | +$378M | +1.63% | Mar 31, 2014 | 10-Q | 2014-05-02 |
| Q4 2013 | $23B | +$57.9M | +0.25% | Dec 31, 2013 | 10-K | 2015-02-26 |
| Q3 2013 | $23.1B | -$502M | -2.12% | Sep 30, 2013 | 10-Q | 2013-11-01 |
| Q2 2013 | $22.6B | -$501M | -2.17% | Jun 30, 2013 | 10-Q | 2013-08-01 |
| Q1 2013 | $23.1B | -$656M | -2.76% | Mar 31, 2013 | 10-Q | 2013-05-03 |
| Q4 2012 | $23B | +$125M | +0.55% | Dec 31, 2012 | 10-K | 2014-02-27 |
| Q3 2012 | $23.6B | +$21M | +0.09% | Sep 30, 2012 | 10-Q | 2012-11-02 |
| Q2 2012 | $23.1B | -$1.53B | -6.21% | Jun 30, 2012 | 10-Q | 2012-08-02 |
| Q1 2012 | $23.8B | -$107M | -0.45% | Mar 31, 2012 | 10-Q | 2012-05-04 |
| Q4 2011 | $22.9B | -$509M | -2.18% | Dec 31, 2011 | 10-K | 2013-02-26 |
| Q3 2011 | $23.6B | -$653M | -2.69% | Sep 30, 2011 | 10-Q | 2011-11-03 |
| Q2 2011 | $24.6B | +$964M | +4.08% | Jun 30, 2011 | 10-Q | 2011-08-04 |
| Q1 2011 | $23.9B | Mar 31, 2011 | 10-Q | 2011-05-04 | ||
| Q4 2010 | $23.4B | Dec 31, 2010 | 10-K/A | 2012-02-29 | ||
| Q3 2010 | $24.3B | Sep 30, 2010 | 10-Q | 2010-11-08 | ||
| Q2 2010 | $23.6B | Jun 30, 2010 | 10-Q | 2010-08-09 |