| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2024 | 18.8M | Nov 14, 2024 | 10-K | 2024-11-21 | ||
| Q2 2024 | 19.1M | -982K | -4.88% | Jul 31, 2024 | 10-Q | 2024-08-06 |
| Q1 2024 | 19.4M | -1.21M | -5.88% | May 8, 2024 | 10-Q | 2024-05-14 |
| Q4 2023 | 19.7M | -1.05M | -5.03% | Nov 16, 2023 | 10-K | 2023-11-21 |
| Q2 2023 | 20.1M | -949K | -4.51% | Aug 3, 2023 | 10-Q | 2023-08-09 |
| Q1 2023 | 20.6M | -443K | -2.11% | Feb 23, 2023 | 10-Q | 2023-03-01 |
| Q4 2022 | 20.8M | -231K | -1.1% | Nov 16, 2022 | 10-K | 2022-11-22 |
| Q2 2022 | 21.1M | -614K | -2.84% | Aug 4, 2022 | 10-Q | 2022-08-10 |
| Q1 2022 | 21M | -1.18M | -5.33% | Feb 17, 2022 | 10-Q | 2022-02-23 |
| Q4 2021 | 21M | -1.81M | -7.95% | Nov 17, 2021 | 10-K | 2021-11-23 |
| Q2 2021 | 21.7M | -1.01M | -4.44% | Jul 29, 2021 | 10-Q | 2021-08-04 |
| Q1 2021 | 22.2M | -444K | -1.96% | May 7, 2021 | 10-Q | 2021-05-12 |
| Q4 2020 | 22.8M | +197K | +0.87% | Feb 12, 2021 | 10-Q | 2021-02-17 |
| Q3 2020 | 22.7M | Nov 12, 2020 | 10-K | 2020-11-18 | ||
| Q2 2020 | 22.7M | -3.15M | -12.2% | Jul 30, 2020 | 10-Q | 2020-08-05 |
| Q1 2020 | 22.7M | -3.14M | -12.2% | May 8, 2020 | 10-Q | 2020-05-14 |
| Q4 2019 | 22.6M | -3.11M | -12.1% | Feb 14, 2020 | 10-Q | 2020-02-20 |
| Q2 2019 | 25.8M | -1.43M | -5.25% | Aug 2, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | 25.8M | -2.62M | -9.23% | May 10, 2019 | 10-Q | 2019-05-16 |
| Q4 2018 | 25.7M | -3.69M | -12.5% | Nov 16, 2018 | 10-K | 2018-11-21 |
| Q2 2018 | 27.3M | -2.17M | -7.37% | Aug 3, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | 28.4M | -979K | -3.33% | May 11, 2018 | 10-Q | 2018-05-17 |
| Q4 2017 | 29.4M | -2.9M | -8.97% | Nov 24, 2017 | 10-K | 2017-11-30 |
| Q2 2017 | 29.4M | -3.25M | -9.96% | Aug 4, 2017 | 10-Q | 2017-08-10 |
| Q1 2017 | 29.4M | -3.12M | -9.6% | May 12, 2017 | 10-Q | 2017-05-17 |
| Q4 2016 | 32.3M | -2.35M | -6.77% | Nov 18, 2016 | 10-K | 2016-11-22 |
| Q2 2016 | 32.7M | -3.9M | -10.7% | Jul 29, 2016 | 10-Q | 2016-08-04 |
| Q1 2016 | 32.5M | -4.84M | -12.9% | May 6, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | 34.7M | -3.39M | -8.9% | Feb 12, 2016 | 10-Q | 2016-02-18 |
| Q3 2015 | 35.8M | -2.84M | -7.36% | Nov 13, 2015 | 10-K | 2015-11-19 |
| Q2 2015 | 36.6M | -2.45M | -6.28% | Jul 31, 2015 | 10-Q | 2015-08-06 |
| Q1 2015 | 37.4M | -2.66M | -6.64% | May 8, 2015 | 10-Q/A | 2015-05-18 |
| Q4 2014 | 38.1M | -3.83M | -9.14% | Feb 13, 2015 | 10-Q | 2015-02-19 |
| Q3 2014 | 38.6M | -3.97M | -9.32% | Nov 14, 2014 | 10-K | 2014-11-21 |
| Q2 2014 | 39M | -4.27M | -9.87% | Aug 1, 2014 | 10-Q | 2014-08-07 |
| Q1 2014 | 40M | -4.44M | -9.99% | May 9, 2014 | 10-Q | 2014-05-15 |
| Q4 2013 | 41.9M | -1.01M | -2.36% | Feb 14, 2014 | 10-Q | 2014-02-20 |
| Q3 2013 | 42.6M | Nov 14, 2013 | 10-K | 2013-11-22 | ||
| Q2 2013 | 43.3M | -1.28M | -2.87% | Aug 2, 2013 | 10-Q | 2013-08-08 |
| Q1 2013 | 44.5M | +261K | +0.59% | May 10, 2013 | 10-Q | 2013-05-16 |
| Q4 2012 | 42.9M | -1.06M | -2.42% | Nov 16, 2012 | 10-K | 2012-11-21 |
| Q2 2012 | 44.6M | -1.81M | -3.89% | Aug 3, 2012 | 10-Q | 2012-08-10 |
| Q1 2012 | 44.2M | -6.55M | -12.9% | May 11, 2012 | 10-Q | 2012-05-17 |
| Q4 2011 | 44M | -8.93M | -16.9% | Nov 17, 2011 | 10-K | 2011-11-23 |
| Q2 2011 | 46.4M | -8.71M | -15.8% | Aug 5, 2011 | 10-Q | 2011-08-11 |
| Q1 2011 | 50.8M | Feb 17, 2011 | 10-Q | 2011-02-24 | ||
| Q4 2010 | 52.9M | Nov 18, 2010 | 10-K | 2010-11-24 | ||
| Q2 2010 | 55.1M | Aug 2, 2010 | 10-Q | 2010-08-05 |