| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2024 | 920M | -12M | -1.29% | Mar 31, 2024 | 10-Q | 2024-05-09 |
| Q4 2023 | 924M | -10M | -1.07% | Dec 31, 2023 | 10-Q | 2024-05-09 |
| Q3 2023 | 925M | -10M | -1.07% | Sep 30, 2023 | 10-Q | 2023-11-06 |
| Q2 2023 | 927M | -8M | -0.86% | Jun 30, 2023 | 10-Q | 2023-08-02 |
| Q1 2023 | 932M | -7M | -0.75% | Mar 31, 2023 | 10-Q | 2023-05-03 |
| Q4 2022 | 934M | -7M | -0.74% | Dec 31, 2022 | 10-K | 2024-02-28 |
| Q3 2022 | 935M | -7M | -0.74% | Sep 30, 2022 | 10-Q | 2022-11-02 |
| Q2 2022 | 935M | -8M | -0.85% | Jun 30, 2022 | 10-Q | 2022-08-03 |
| Q1 2022 | 939M | -5M | -0.53% | Mar 31, 2022 | 10-Q | 2022-05-04 |
| Q4 2021 | 941M | -5M | -0.53% | Dec 31, 2021 | 10-K | 2023-02-24 |
| Q3 2021 | 942M | -7M | -0.74% | Sep 30, 2021 | 10-Q | 2021-11-03 |
| Q2 2021 | 943M | -7M | -0.74% | Jun 30, 2021 | 10-Q | 2021-08-03 |
| Q1 2021 | 944M | -3M | -0.32% | Mar 31, 2021 | 10-Q | 2021-05-05 |
| Q4 2020 | 946M | -2M | -0.21% | Dec 31, 2020 | 10-K | 2022-02-15 |
| Q3 2020 | 949M | +2M | +0.21% | Sep 30, 2020 | 10-Q | 2020-11-02 |
| Q2 2020 | 950M | +2M | +0.21% | Jun 30, 2020 | 10-Q | 2020-08-03 |
| Q1 2020 | 947M | -6M | -0.63% | Mar 31, 2020 | 10-Q | 2020-05-06 |
| Q4 2019 | 948M | -12M | -1.25% | Dec 31, 2019 | 10-K | 2021-03-01 |
| Q3 2019 | 947M | -15M | -1.56% | Sep 30, 2019 | 10-Q | 2019-11-06 |
| Q2 2019 | 948M | -14M | -1.46% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | 953M | -9M | -0.94% | Mar 31, 2019 | 10-Q | 2019-05-07 |
| Q4 2018 | 960M | -9M | -0.93% | Dec 31, 2018 | 10-K | 2020-02-14 |
| Q3 2018 | 962M | -7M | -0.72% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | 962M | -3M | -0.31% | Jun 30, 2018 | 10-Q | 2018-08-07 |
| Q1 2018 | 962M | -3M | -0.31% | Mar 31, 2018 | 10-Q | 2018-05-07 |
| Q4 2017 | 969M | +17M | +1.79% | Dec 31, 2017 | 10-K | 2019-02-12 |
| Q3 2017 | 969M | +17M | +1.79% | Sep 30, 2017 | 10-Q | 2017-11-07 |
| Q2 2017 | 965M | +14M | +1.47% | Jun 30, 2017 | 10-Q | 2017-08-04 |
| Q1 2017 | 965M | +11M | +1.15% | Mar 31, 2017 | 10-Q | 2017-05-08 |
| Q4 2016 | 952M | -1M | -0.11% | Dec 31, 2016 | 10-K | 2018-02-13 |
| Q3 2016 | 952M | -1M | -0.11% | Sep 30, 2016 | 10-Q | 2016-11-08 |
| Q2 2016 | 951M | -1M | -0.11% | Jun 30, 2016 | 10-Q | 2016-08-02 |
| Q1 2016 | 954M | +2M | +0.21% | Mar 31, 2016 | 10-Q | 2016-05-04 |
| Q4 2015 | 953M | -1M | -0.11% | Dec 31, 2015 | 10-K | 2017-02-08 |
| Q3 2015 | 953M | -9M | -0.94% | Sep 30, 2015 | 10-Q | 2015-11-05 |
| Q2 2015 | 952M | -21M | -2.16% | Jun 30, 2015 | 10-Q | 2015-07-29 |
| Q1 2015 | 952M | -32M | -3.25% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | 954M | -34M | -3.44% | Dec 31, 2014 | 10-K | 2016-02-09 |
| Q3 2014 | 962M | -36M | -3.61% | Sep 30, 2014 | 10-Q | 2014-11-10 |
| Q2 2014 | 973M | -33M | -3.28% | Jun 30, 2014 | 10-Q | 2014-08-04 |
| Q1 2014 | 984M | -29M | -2.86% | Mar 31, 2014 | 10-Q | 2014-05-06 |
| Q4 2013 | 988M | -31M | -3.04% | Dec 31, 2013 | 10-K | 2015-02-10 |
| Q3 2013 | 998M | -14M | -1.38% | Sep 30, 2013 | 10-Q | 2013-11-07 |
| Q2 2013 | 1.01B | -18M | -1.76% | Jun 30, 2013 | 10-Q | 2013-08-05 |
| Q1 2013 | 1.01B | -20M | -1.94% | Mar 31, 2013 | 10-Q | 2013-05-06 |
| Q4 2012 | 1.02B | -20M | -1.93% | Dec 31, 2012 | 10-K | 2014-02-12 |
| Q3 2012 | 1.01B | -42M | -3.99% | Sep 30, 2012 | 10-Q | 2012-10-30 |
| Q2 2012 | 1.02B | -45M | -4.21% | Jun 30, 2012 | 10-Q | 2012-08-07 |
| Q1 2012 | 1.03B | -44M | -4.09% | Mar 31, 2012 | 10-Q | 2012-05-03 |
| Q4 2011 | 1.04B | -47M | -4.33% | Dec 31, 2011 | 10-K | 2013-02-07 |
| Q3 2011 | 1.05B | -45M | -4.1% | Sep 30, 2011 | 10-Q | 2011-11-04 |
| Q2 2011 | 1.07B | -46M | -4.13% | Jun 30, 2011 | 10-Q | 2011-08-02 |
| Q1 2011 | 1.08B | -56M | -4.94% | Mar 31, 2011 | 10-Q | 2011-05-03 |
| Q4 2010 | 1.09B | Dec 31, 2010 | 10-K | 2012-02-09 | ||
| Q3 2010 | 1.1B | Sep 30, 2010 | 10-Q | 2010-11-03 | ||
| Q2 2010 | 1.12B | Jun 30, 2010 | 10-Q | 2010-08-05 | ||
| Q1 2010 | 1.13B | Mar 31, 2010 | 10-Q | 2010-05-05 |