| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | 40.3M | +21.7K | +0.05% | 30 Sep 2023 | 10-Q | 09 Nov 2023 |
| Q3 2022 | 40.3M | -577K | -1.41% | 30 Sep 2022 | 10-Q | 09 Nov 2023 |
| Q4 2021 | 40.5M | +27.2K | +0.07% | 31 Dec 2021 | 10-K | 14 Mar 2022 |
| Q3 2021 | 40.9M | +571K | +1.42% | 30 Sep 2021 | 10-Q | 02 Nov 2021 |
| Q2 2021 | 40.8M | +586K | +1.46% | 30 Jun 2021 | 10-Q | 09 Aug 2021 |
| Q1 2021 | 40.8M | +2.24M | +5.81% | 31 Mar 2021 | 10-Q | 10 May 2021 |
| Q4 2020 | 40.5M | +1.93M | +5% | 31 Dec 2020 | 10-K | 14 Mar 2022 |
| Q3 2020 | 40.3M | +1.81M | +4.69% | 30 Sep 2020 | 10-Q | 09 Nov 2020 |
| Q2 2020 | 40.2M | +1.76M | +4.57% | 30 Jun 2020 | 10-Q | 10 Aug 2020 |
| Q1 2020 | 38.5M | +980K | +2.61% | 31 Mar 2020 | 10-Q | 10 Jun 2020 |
| Q4 2019 | 38.5M | +1.08M | +2.88% | 31 Dec 2019 | 10-K | 16 Mar 2021 |
| Q3 2019 | 38.5M | +1.42M | +3.84% | 30 Sep 2019 | 10-Q | 07 Nov 2019 |
| Q2 2019 | 38.5M | +22.2M | +137% | 30 Jun 2019 | 10-Q | 08 Aug 2019 |
| Q1 2019 | 37.6M | +17M | +82.3% | 31 Mar 2019 | 10-Q | 09 May 2019 |
| Q4 2018 | 37.4M | +21.3M | +132% | 31 Dec 2018 | 10-K | 12 Mar 2020 |
| Q3 2018 | 37.1M | +20.9M | +130% | 30 Sep 2018 | 10-Q | 09 Nov 2018 |
| Q2 2018 | 16.2M | +280K | +1.76% | 30 Jun 2018 | 10-Q | 08 Aug 2018 |
| Q1 2018 | 20.6M | +4.7M | +29.6% | 31 Mar 2018 | 10-KT | 14 Mar 2019 |
| Q4 2017 | 16.2M | +364K | +2.3% | 31 Dec 2017 | 10-Q | 08 Aug 2018 |
| Q3 2017 | 16.1M | +396K | +2.51% | 30 Sep 2017 | 10-Q | 08 Nov 2017 |
| Q2 2017 | 15.9M | +211K | +1.34% | 30 Jun 2017 | 10-Q | 09 Aug 2017 |
| Q1 2017 | 15.9M | +186K | +1.18% | 31 Mar 2017 | 10-Q | 10 May 2017 |
| Q4 2016 | 15.8M | +112K | +0.71% | 31 Dec 2016 | 10-K | 16 Mar 2018 |
| Q3 2016 | 15.7M | +160K | +1.03% | 30 Sep 2016 | 10-Q | 08 Nov 2016 |
| Q2 2016 | 15.7M | +166K | +1.07% | 30 Jun 2016 | 10-Q | 09 Aug 2016 |
| Q1 2016 | 15.7M | +287K | +1.86% | 31 Mar 2016 | 10-Q | 10 May 2016 |
| Q4 2015 | 15.7M | +285K | +1.85% | 31 Dec 2015 | 10-K | 22 Feb 2017 |
| Q3 2015 | 15.6M | +180K | +1.17% | 30 Sep 2015 | 10-Q | 09 Nov 2015 |
| Q2 2015 | 15.6M | +171K | +1.11% | 30 Jun 2015 | 10-Q | 10 Aug 2015 |
| Q1 2015 | 15.4M | +38.7K | +0.25% | 31 Mar 2015 | 10-Q | 11 May 2015 |
| Q4 2014 | 15.4M | +46.4K | +0.3% | 31 Dec 2014 | 10-K | 14 Mar 2016 |
| Q3 2014 | 15.4M | +44.8K | +0.29% | 30 Sep 2014 | 10-Q | 14 Nov 2014 |
| Q2 2014 | 15.4M | +55.6K | +0.36% | 30 Jun 2014 | 10-Q | 13 Aug 2014 |
| Q1 2014 | 15.4M | +51K | +0.33% | 31 Mar 2014 | 10-Q | 09 May 2014 |
| Q4 2013 | 15.4M | +69.4K | +0.45% | 31 Dec 2013 | 10-K | 06 Mar 2015 |
| Q3 2013 | 15.4M | +50.6K | +0.33% | 30 Sep 2013 | 10-Q | 08 Nov 2013 |
| Q2 2013 | 15.3M | +38.3K | +0.25% | 30 Jun 2013 | 10-Q | 13 Aug 2013 |
| Q1 2013 | 15.3M | +88K | +0.58% | 31 Mar 2013 | 10-Q | 10 May 2013 |
| Q4 2012 | 15.3M | +49.1K | +0.32% | 31 Dec 2012 | 10-K | 10 Mar 2014 |
| Q3 2012 | 15.3M | +55.9K | +0.37% | 30 Sep 2012 | 10-Q | 06 Nov 2012 |
| Q2 2012 | 15.3M | +61K | +0.4% | 30 Jun 2012 | 10-Q/A | 24 Aug 2012 |
| Q1 2012 | 15.2M | 31 Mar 2012 | 10-Q | 11 May 2012 | ||
| Q4 2011 | 15.2M | +133K | +0.88% | 31 Dec 2011 | 10-K | 08 Mar 2013 |
| Q3 2011 | 15.3M | 30 Sep 2011 | 10-Q | 02 Nov 2011 | ||
| Q2 2011 | 15.2M | 30 Jun 2011 | 10-Q | 08 Aug 2011 | ||
| Q4 2010 | 15.1M | 31 Dec 2010 | 10-K | 09 Mar 2012 |