| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2024 | 457 M | -5.55 M | -1.2% | Mar 31, 2024 | 10-Q | 2024-05-02 |
| Q4 2023 | 458 M | -5.44 M | -1.17% | Dec 31, 2023 | 10-Q | 2024-05-02 |
| Q3 2023 | 460 M | -6.92 M | -1.48% | Sep 30, 2023 | 10-Q | 2023-11-02 |
| Q2 2023 | 461 M | -7.86 M | -1.68% | Jun 30, 2023 | 10-Q | 2023-08-08 |
| Q1 2023 | 462 M | -8.71 M | -1.85% | Mar 31, 2023 | 10-Q | 2023-05-04 |
| Q4 2022 | 464 M | -8.77 M | -1.86% | Dec 31, 2022 | 10-K | 2024-02-13 |
| Q3 2022 | 466 M | -6.93 M | -1.46% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | 469 M | -5.6 M | -1.18% | Jun 30, 2022 | 10-Q | 2022-08-04 |
| Q1 2022 | 471 M | -3.76 M | -0.79% | Mar 31, 2022 | 10-Q | 2022-05-05 |
| Q4 2021 | 473 M | -2.74 M | -0.58% | Dec 31, 2021 | 10-K | 2023-02-14 |
| Q3 2021 | 473 M | -1.87 M | -0.39% | Sep 30, 2021 | 10-Q | 2021-11-04 |
| Q2 2021 | 474 M | -789 K | -0.17% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | 475 M | +108 K | +0.02% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | 475 M | -210 K | -0.04% | Dec 31, 2020 | 10-K | 2022-02-15 |
| Q3 2020 | 475 M | -1.5 M | -0.32% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | 475 M | -2.82 M | -0.59% | Jun 30, 2020 | 10-Q | 2020-08-06 |
| Q1 2020 | 475 M | -4.16 M | -0.87% | Mar 31, 2020 | 10-Q | 2020-05-06 |
| Q4 2019 | 476 M | -4.03 M | -0.84% | Dec 31, 2019 | 10-K | 2021-02-16 |
| Q3 2019 | 477 M | -4.23 M | -0.88% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | 478 M | -4.47 M | -0.93% | Jun 30, 2019 | 10-Q | 2019-08-06 |
| Q1 2019 | 479 M | -5.7 M | -1.18% | Mar 31, 2019 | 10-Q | 2019-05-02 |
| Q4 2018 | 480 M | -6.57 M | -1.35% | Dec 31, 2018 | 10-K | 2020-02-13 |
| Q3 2018 | 481 M | -6.85 M | -1.41% | Sep 30, 2018 | 10-Q | 2018-11-01 |
| Q2 2018 | 482 M | -7.37 M | -1.51% | Jun 30, 2018 | 10-Q | 2018-08-02 |
| Q1 2018 | 485 M | -6.6 M | -1.34% | Mar 31, 2018 | 10-Q | 2019-05-02 |
| Q4 2017 | 486 M | -6.72 M | -1.36% | Dec 31, 2017 | 10-K | 2019-02-14 |
| Q3 2017 | 488 M | -6.41 M | -1.3% | Oct 1, 2017 | 10-Q | 2018-11-01 |
| Q2 2017 | 490 M | -5.73 M | -1.16% | Jul 2, 2017 | 10-Q | 2018-08-02 |
| Q1 2017 | 491 M | -5.09 M | -1.03% | Apr 2, 2017 | 10-Q | 2018-05-02 |
| Q4 2016 | 493 M | -4.54 M | -0.91% | Dec 31, 2016 | 10-K | 2018-02-15 |
| Q3 2016 | 494 M | -4.09 M | -0.82% | Oct 2, 2016 | 10-Q | 2017-11-02 |
| Q2 2016 | 495 M | -3.95 M | -0.79% | Jul 3, 2016 | 10-Q | 2017-08-08 |
| Q1 2016 | 496 M | -3.95 M | -0.79% | Apr 3, 2016 | 10-Q | 2017-05-04 |
| Q4 2015 | 497 M | -3.93 M | -0.78% | Dec 31, 2015 | 10-K | 2017-02-16 |
| Q3 2015 | 498 M | -2.86 M | -0.57% | Sep 27, 2015 | 10-Q | 2016-11-03 |
| Q2 2015 | 499 M | -1.7 M | -0.34% | Jun 28, 2015 | 10-Q | 2016-08-05 |
| Q1 2015 | 500 M | -371 K | -0.07% | Mar 29, 2015 | 10-Q | 2016-05-06 |
| Q4 2014 | 501 M | +1.32 M | +0.26% | Dec 31, 2014 | 10-K | 2016-02-24 |
| Q3 2014 | 501 M | +1.19 M | +0.24% | Sep 28, 2014 | 10-Q | 2015-11-05 |
| Q2 2014 | 501 M | +1.04 M | +0.21% | Jun 29, 2014 | 10-Q | 2015-08-06 |
| Q1 2014 | 501 M | Mar 30, 2014 | 10-Q | 2015-05-07 | ||
| Q4 2013 | 500 M | Dec 31, 2013 | 10-K | 2015-02-27 | ||
| Q3 2013 | 500 M | Sep 29, 2013 | 10-Q | 2013-11-13 | ||
| Q2 2013 | 500 M | Jun 30, 2013 | 10-Q | 2013-08-14 |