| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2024 | $470 M | +$20 M | +4.44% | Mar 31, 2024 | 10-Q | 2024-05-08 |
| Q4 2023 | $470 M | +$29 M | +6.58% | Dec 31, 2023 | 10-Q | 2024-05-08 |
| Q3 2023 | $477 M | +$39 M | +8.9% | Sep 30, 2023 | 10-Q | 2023-11-09 |
| Q2 2023 | $443 M | -$11 M | -2.42% | Jun 30, 2023 | 10-Q | 2023-08-02 |
| Q1 2023 | $450 M | -$22 M | -4.66% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $441 M | -$74 M | -14.4% | Dec 31, 2022 | 10-K | 2024-02-12 |
| Q3 2022 | $438 M | -$80 M | -15.4% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | $454 M | -$76 M | -14.3% | Jun 30, 2022 | 10-Q | 2022-07-27 |
| Q1 2022 | $472 M | -$52 M | -9.92% | Mar 31, 2022 | 10-Q | 2022-05-03 |
| Q4 2021 | $515 M | -$23 M | -4.28% | Dec 31, 2021 | 10-K | 2023-02-10 |
| Q3 2021 | $518 M | -$304 M | -37% | Sep 30, 2021 | 10-Q | 2021-10-27 |
| Q2 2021 | $530 M | -$30 M | -5.36% | Jun 30, 2021 | 10-Q | 2021-07-28 |
| Q1 2021 | $524 M | -$26 M | -4.73% | Mar 31, 2021 | 10-Q | 2021-04-28 |
| Q4 2020 | $538 M | -$53 M | -8.97% | Dec 31, 2020 | 10-K | 2022-02-09 |
| Q3 2020 | $822 M | +$95 M | +13.1% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $560 M | -$161 M | -22.3% | Jun 30, 2020 | 10-Q | 2020-08-05 |
| Q1 2020 | $550 M | -$206 M | -27.2% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $591 M | -$140 M | -19.2% | Dec 31, 2019 | 10-K | 2021-02-10 |
| Q3 2019 | $727 M | +$5 M | +0.69% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | $721 M | -$85 M | -10.5% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | $756 M | -$76 M | -9.14% | Mar 31, 2019 | 10-Q | 2019-05-02 |
| Q4 2018 | $731 M | -$201 M | -21.6% | Dec 31, 2018 | 10-K | 2020-02-21 |
| Q3 2018 | $722 M | -$327 M | -31.2% | Sep 30, 2018 | 10-Q | 2018-11-01 |
| Q2 2018 | $806 M | -$439 M | -35.3% | Jun 30, 2018 | 10-Q | 2018-08-02 |
| Q1 2018 | $832 M | -$487 M | -36.9% | Mar 31, 2018 | 10-Q | 2018-05-03 |
| Q4 2017 | $932 M | -$303 M | -24.5% | Dec 31, 2017 | 10-K | 2019-02-19 |
| Q3 2017 | $1.05 B | -$1.02 B | -49.2% | Sep 30, 2017 | 6-K | 2017-11-02 |
| Q2 2017 | $1.25 B | -$1.39 B | -52.8% | Jun 30, 2017 | 6-K | 2017-08-03 |
| Q1 2017 | $1.32 B | -$1.34 B | -50.4% | Mar 31, 2017 | 6-K | 2017-05-11 |
| Q4 2016 | $1.24 B | -$1.11 B | -47.2% | Dec 31, 2016 | 10-K | 2018-02-12 |
| Q3 2016 | $2.06 B | -$405 M | -16.4% | Sep 30, 2016 | 6-K | 2016-11-15 |
| Q2 2016 | $2.64 B | -$534 M | -16.8% | Jun 30, 2016 | 6-K | 2016-08-04 |
| Q1 2016 | $2.66 B | +$949 M | +55.4% | Mar 31, 2016 | 6-K | 2016-05-09 |
| Q4 2015 | $2.34 B | +$772 M | +49.2% | Dec 31, 2015 | 20-F | 2017-02-15 |
| Q3 2015 | $2.47 B | +$990 M | +66.9% | Sep 30, 2015 | 6-K | 2015-10-29 |
| Q2 2015 | $3.17 B | +$1.7 B | +116% | Jun 30, 2015 | 6-K | 2015-07-30 |
| Q1 2015 | $1.71 B | +$242 M | +16.5% | Mar 31, 2015 | 6-K | 2015-04-30 |
| Q4 2014 | $1.57 B | -$127 M | -7.49% | Dec 31, 2014 | 20-F | 2016-02-11 |
| Q3 2014 | $1.48 B | -$53 M | -3.46% | Sep 30, 2014 | 6-K | 2014-10-30 |
| Q2 2014 | $1.47 B | +$70 M | +5% | Jun 30, 2014 | 6-K | 2014-07-31 |
| Q1 2014 | $1.47 B | +$85 M | +6.14% | Mar 31, 2014 | 6-K | 2014-05-02 |
| Q4 2013 | $1.7 B | +$358 M | +26.8% | Dec 31, 2013 | 20-F | 2015-02-09 |
| Q3 2013 | $1.53 B | +$1.38 B | +935% | Sep 30, 2013 | 6-K | 2013-10-31 |
| Q2 2013 | $1.4 B | +$1.29 B | +1149% | Jun 30, 2013 | 6-K | 2013-08-01 |
| Q1 2013 | $1.39 B | +$1.22 B | +750% | Mar 31, 2013 | 6-K | 2013-05-02 |
| Q4 2012 | $1.34 B | +$205 M | +18.1% | Dec 31, 2012 | 20-F | 2014-02-10 |
| Q3 2012 | $148 M | +$72 M | +94.7% | Sep 30, 2012 | 6-K | 2012-11-01 |
| Q2 2012 | $112 M | +$24 M | +27.3% | Jun 30, 2012 | 6-K | 2012-08-02 |
| Q1 2012 | $163 M | +$136 M | +504% | Mar 31, 2012 | 6-K | 2012-05-09 |
| Q4 2011 | $1.13 B | +$995 M | +721% | Dec 31, 2011 | 20-F | 2013-02-12 |
| Q3 2011 | $76 M | -$743 M | -90.7% | Sep 30, 2011 | 6-K | 2011-11-02 |
| Q2 2011 | $88 M | -$542 M | -86% | Jun 30, 2011 | 6-K | 2011-07-28 |
| Q1 2011 | $27 M | -$576 M | -95.5% | Mar 31, 2011 | 6-K | 2011-05-11 |
| Q4 2010 | $138 M | Dec 31, 2010 | 20-F | 2012-02-17 | ||
| Q3 2010 | $819 M | Sep 30, 2010 | 6-K | 2010-11-02 | ||
| Q2 2010 | $630 M | Jun 30, 2010 | 6-K | 2010-07-27 | ||
| Q1 2010 | $603 M | Mar 31, 2010 | 6-K | 2010-05-04 |