| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2025 | 17.4M | -85.9K | -0.49% | 03 Nov 2025 | 10-Q | 06 Nov 2025 |
| Q2 2025 | 17.5M | +2.5K | +0.01% | 01 Aug 2025 | 10-Q | 08 Aug 2025 |
| Q1 2025 | 17.6M | +123K | +0.71% | 07 Mar 2025 | 10-K | 13 Mar 2025 |
| Q3 2024 | 17.5M | +163K | +0.94% | 01 Nov 2024 | 10-Q | 08 Nov 2024 |
| Q2 2024 | 17.5M | 02 Aug 2024 | 10-Q | 09 Aug 2024 | ||
| Q1 2024 | 17.4M | +74.7K | +0.43% | 08 Mar 2024 | 10-KT | 12 Mar 2024 |
| Q3 2023 | 17.4M | +1.75M | +11.2% | 04 Sep 2023 | 10-K | 11 Sep 2023 |
| Q1 2023 | 17.4M | +1.65M | +10.5% | 04 May 2023 | 10-Q | 09 May 2023 |
| Q4 2022 | 15.9M | -364K | -2.24% | 03 Feb 2023 | 10-Q | 07 Feb 2023 |
| Q3 2022 | 15.6M | -842K | -5.12% | 06 Sep 2022 | 10-K | 12 Sep 2022 |
| Q1 2022 | 15.7M | -896K | -5.39% | 04 May 2022 | 10-Q | 09 May 2022 |
| Q4 2021 | 16.2M | -440K | -2.64% | 02 Feb 2022 | 10-Q | 07 Feb 2022 |
| Q3 2021 | 16.5M | -561K | -3.3% | 07 Sep 2021 | 10-K | 10 Sep 2021 |
| Q1 2021 | 16.6M | -403K | -2.37% | 04 May 2021 | 10-Q | 07 May 2021 |
| Q4 2020 | 16.7M | -857K | -4.88% | 03 Feb 2021 | 10-Q | 05 Feb 2021 |
| Q3 2020 | 17M | -839K | -4.7% | 08 Sep 2020 | 10-K | 11 Sep 2020 |
| Q1 2020 | 17M | -1.22M | -6.68% | 06 May 2020 | 10-Q | 08 May 2020 |
| Q4 2019 | 17.5M | -851K | -4.63% | 04 Feb 2020 | 10-Q | 07 Feb 2020 |
| Q3 2019 | 17.9M | -1.16M | -6.08% | 10 Sep 2019 | 10-K | 13 Sep 2019 |
| Q1 2019 | 18.2M | -800K | -4.2% | 07 May 2019 | 10-Q | 09 May 2019 |
| Q4 2018 | 18.4M | -591K | -3.11% | 07 Feb 2019 | 10-Q | 08 Feb 2019 |
| Q3 2018 | 19M | +46.9K | +0.25% | 10 Sep 2018 | 10-K | 13 Sep 2018 |
| Q1 2018 | 19M | +90.1K | +0.48% | 07 May 2018 | 10-Q | 10 May 2018 |
| Q4 2017 | 19M | +984K | +5.47% | 06 Feb 2018 | 10-Q | 09 Feb 2018 |
| Q3 2017 | 19M | +970K | +5.39% | 05 Sep 2017 | 10-K | 12 Sep 2017 |
| Q1 2017 | 18.9M | +871K | +4.82% | 05 May 2017 | 10-Q | 10 May 2017 |
| Q4 2016 | 18M | -364K | -1.98% | 03 Feb 2017 | 10-Q | 09 Feb 2017 |
| Q3 2016 | 18M | -1.16M | -6.03% | 08 Sep 2016 | 10-K | 13 Sep 2016 |
| Q1 2016 | 18.1M | -2.16M | -10.7% | 05 May 2016 | 10-Q | 10 May 2016 |
| Q4 2015 | 18.4M | -2.03M | -9.97% | 04 Feb 2016 | 10-Q | 08 Feb 2016 |
| Q3 2015 | 19.2M | -1.36M | -6.62% | 08 Sep 2015 | 10-K | 11 Sep 2015 |
| Q1 2015 | 20.2M | +1.13M | +5.93% | 06 May 2015 | 10-Q | 08 May 2015 |
| Q4 2014 | 20.4M | +615K | +3.11% | 06 Feb 2015 | 10-Q | 09 Feb 2015 |
| Q3 2014 | 20.5M | -300K | -1.44% | 05 Sep 2014 | 10-K | 15 Sep 2014 |
| Q1 2014 | 19.1M | -1.72M | -8.27% | 08 May 2014 | 10-Q | 12 May 2014 |
| Q4 2013 | 19.8M | -1.38M | -6.5% | 06 Feb 2014 | 10-Q | 10 Feb 2014 |
| Q3 2013 | 20.8M | -347K | -1.64% | 30 Aug 2013 | 10-K | 13 Sep 2013 |
| Q1 2013 | 20.8M | +20.8M | 09 May 2013 | 10-Q | 14 May 2013 | |
| Q4 2012 | 21.2M | 11 Feb 2013 | 10-Q | 14 Feb 2013 | ||
| Q3 2012 | 21.2M | 21 Sep 2012 | 10-K | 28 Sep 2012 | ||
| Q1 2012 | 0 | 31 Mar 2012 | 10-Q | 28 Jun 2012 |