| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2025 | 18.3M | +37.8K | +0.21% | 30 Sep 2025 | 10-Q | 13 Nov 2025 |
| Q2 2025 | 18.3M | +47.9K | +0.26% | 30 Jun 2025 | 10-Q | 13 Nov 2025 |
| Q1 2025 | 18.3M | +54.9K | +0.3% | 31 Mar 2025 | 10-Q | 15 May 2025 |
| Q4 2024 | 18.3M | +98.6K | +0.54% | 31 Dec 2024 | 10-Q | 12 Feb 2025 |
| Q3 2024 | 18.2M | +75K | +0.41% | 30 Sep 2024 | 10-Q | 14 Nov 2024 |
| Q2 2024 | 18.2M | -74.2K | -0.41% | 30 Jun 2024 | 10-K | 29 Sep 2025 |
| Q1 2024 | 18.2M | -129K | -0.7% | 31 Mar 2024 | 10-Q | 15 May 2024 |
| Q4 2023 | 18.2M | -236K | -1.28% | 31 Dec 2023 | 10-Q | 14 Feb 2024 |
| Q3 2023 | 18.2M | 30 Sep 2023 | 10-Q | 14 Nov 2023 | ||
| Q2 2023 | 18.3M | -151K | -0.82% | 30 Jun 2023 | 10-K | 30 Sep 2024 |
| Q1 2023 | 18.4M | 31 Mar 2023 | 10-Q | 15 May 2023 | ||
| Q4 2022 | 18.4M | 31 Dec 2022 | 10-Q | 14 Feb 2023 | ||
| Q2 2022 | 18.5M | -891K | -4.61% | 30 Jun 2022 | 10-K | 28 Sep 2023 |
| Q2 2021 | 19.4M | -133K | -0.68% | 30 Jun 2021 | 10-K | 28 Sep 2022 |
| Q1 2021 | 19.5M | +20.1K | +0.1% | 31 Mar 2021 | 10-Q | 17 May 2021 |
| Q4 2020 | 19.5M | -50.6K | -0.26% | 31 Dec 2020 | 10-Q | 16 Feb 2021 |
| Q3 2020 | 19.5M | -241K | -1.22% | 30 Sep 2020 | 10-Q | 16 Nov 2020 |
| Q2 2020 | 19.5M | -309K | -1.56% | 30 Jun 2020 | 10-K | 28 Sep 2021 |
| Q1 2020 | 19.5M | -413K | -2.08% | 31 Mar 2020 | 10-Q | 11 May 2020 |
| Q4 2019 | 19.6M | -259K | -1.31% | 31 Dec 2019 | 10-Q | 10 Feb 2020 |
| Q3 2019 | 19.7M | -51.2K | -0.26% | 30 Sep 2019 | 10-Q | 07 Nov 2019 |
| Q2 2019 | 19.8M | +19.8K | +0.1% | 30 Jun 2019 | 10-K | 28 Sep 2020 |
| Q1 2019 | 19.9M | +106K | +0.54% | 31 Mar 2019 | 10-Q | 09 May 2019 |
| Q4 2018 | 19.8M | +305K | +1.56% | 31 Dec 2018 | 10-Q | 07 Feb 2019 |
| Q3 2018 | 19.8M | +369K | +1.9% | 30 Sep 2018 | 10-Q | 08 Nov 2018 |
| Q2 2018 | 19.8M | +350K | +1.8% | 30 Jun 2018 | 10-K | 12 Sep 2019 |
| Q1 2018 | 19.8M | +353K | +1.82% | 31 Mar 2018 | 10-Q | 10 May 2018 |
| Q4 2017 | 19.5M | +177K | +0.91% | 31 Dec 2017 | 10-Q | 08 Feb 2018 |
| Q3 2017 | 19.4M | +114K | +0.59% | 30 Sep 2017 | 10-Q | 09 Nov 2017 |
| Q2 2017 | 19.4M | +194K | +1.01% | 30 Jun 2017 | 10-K | 13 Sep 2018 |
| Q1 2017 | 19.4M | +206K | +1.07% | 31 Mar 2017 | 10-Q | 10 May 2017 |
| Q4 2016 | 19.4M | +192K | +1% | 31 Dec 2016 | 10-Q | 06 Feb 2017 |
| Q3 2016 | 19.3M | +215K | +1.12% | 30 Sep 2016 | 10-Q | 07 Nov 2016 |
| Q2 2016 | 19.2M | +354K | +1.88% | 30 Jun 2016 | 10-K | 13 Sep 2017 |
| Q1 2016 | 19.2M | +1.81M | +10.4% | 31 Mar 2016 | 10-Q | 09 May 2016 |
| Q4 2015 | 19.2M | +1.93M | +11.2% | 31 Dec 2015 | 10-Q | 08 Feb 2016 |
| Q3 2015 | 19.1M | +1.99M | +11.6% | 30 Sep 2015 | 10-Q | 09 Nov 2015 |
| Q2 2015 | 18.9M | +1.95M | +11.5% | 30 Jun 2015 | 10-K | 07 Sep 2016 |
| Q1 2015 | 17.4M | +487K | +2.88% | 31 Mar 2015 | 10-Q | 07 May 2015 |
| Q4 2014 | 17.2M | +492K | +2.94% | 31 Dec 2014 | 10-Q | 05 Feb 2015 |
| Q3 2014 | 17.1M | +548K | +3.31% | 30 Sep 2014 | 10-Q | 06 Nov 2014 |
| Q2 2014 | 16.9M | +799K | +4.96% | 30 Jun 2014 | 10-K/A | 09 Oct 2015 |
| Q1 2014 | 16.9M | +3.13M | +22.7% | 31 Mar 2014 | 10-Q | 12 May 2014 |
| Q4 2013 | 16.7M | +4.27M | +34.3% | 31 Dec 2013 | 10-Q | 13 Feb 2014 |
| Q3 2013 | 16.6M | +4.31M | +35.2% | 30 Sep 2013 | 10-Q | 13 Nov 2013 |
| Q2 2013 | 16.1M | +4.04M | +33.4% | 30 Jun 2013 | 10-K | 11 Sep 2014 |
| Q1 2013 | 13.8M | +1.92M | +16.2% | 31 Mar 2013 | 10-Q | 09 May 2013 |
| Q4 2012 | 12.5M | +693K | +5.89% | 31 Dec 2012 | 10-Q | 14 Feb 2013 |
| Q3 2012 | 12.2M | +588K | +5.04% | 30 Sep 2012 | 10-Q | 08 Nov 2012 |
| Q2 2012 | 12.1M | +475K | +4.09% | 30 Jun 2012 | 10-K | 23 Sep 2013 |
| Q1 2012 | 11.9M | 31 Mar 2012 | 10-Q | 14 May 2012 | ||
| Q4 2011 | 11.8M | 31 Dec 2011 | 10-Q | 14 Feb 2012 | ||
| Q3 2011 | 11.7M | 30 Sep 2011 | 10-Q | 14 Nov 2011 | ||
| Q2 2011 | 11.6M | 30 Jun 2011 | 10-K | 25 Sep 2012 |