| Period | Value | YoY Chg | Change % | Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|
| Q3 2023 | 19,258,299 | +581,670 | +3.1% | 30 Sep 2023 | 10-Q | 08 Nov 2023 | 2023 | Q3 |
| Q2 2023 | 19,263,534 | +585,683 | +3.1% | 30 Jun 2023 | 10-Q | 09 Aug 2023 | 2023 | Q2 |
| Q1 2023 | 18,982,847 | +529,149 | +2.9% | 31 Mar 2023 | 10-Q | 09 May 2023 | 2023 | Q1 |
| Q4 2022 | 18,748,529 | +510,499 | +2.8% | 31 Dec 2022 | 10-Q | 08 Nov 2023 | 2023 | Q3 |
| Q3 2022 | 18,676,629 | +517,001 | +2.8% | 30 Sep 2022 | 10-Q | 09 Nov 2022 | 2022 | Q3 |
| Q2 2022 | 18,677,851 | +159,336 | +0.86% | 30 Jun 2022 | 10-Q | 09 Aug 2022 | 2022 | Q2 |
| Q1 2022 | 18,453,698 | -64,817 | -0.35% | 31 Mar 2022 | 10-Q | 10 May 2022 | 2022 | Q1 |
| Q4 2021 | 18,238,030 | -191,320 | -1% | 31 Dec 2021 | 10-K | 16 Mar 2023 | 2022 | FY |
| Q3 2021 | 18,159,628 | -479,736 | -2.6% | 30 Sep 2021 | 10-Q | 09 Nov 2021 | 2021 | Q3 |
| Q2 2021 | 18,518,515 | -121,780 | -0.65% | 30 Jun 2021 | 10-Q | 09 Aug 2021 | 2021 | Q2 |
| Q1 2021 | 18,518,515 | +62,366 | +0.34% | 31 Mar 2021 | 10-Q | 10 May 2021 | 2021 | Q1 |
| Q4 2020 | 18,429,350 | -181,939 | -0.98% | 31 Dec 2020 | 10-K | 16 Mar 2023 | 2022 | FY |
| Q3 2020 | 18,639,364 | +368,115 | +2% | 30 Sep 2020 | 10-Q | 09 Nov 2020 | 2020 | Q3 |
| Q2 2020 | 18,640,295 | +222,594 | +1.2% | 30 Jun 2020 | 10-Q | 10 Aug 2020 | 2020 | Q2 |
| Q1 2020 | 18,456,149 | +38,448 | +0.21% | 31 Mar 2020 | 10-Q | 11 May 2020 | 2020 | Q1 |
| Q4 2019 | 18,611,289 | +340,040 | +1.9% | 31 Dec 2019 | 10-K | 15 Mar 2022 | 2021 | FY |
| Q3 2019 | 18,271,249 | -46,892 | -0.26% | 30 Sep 2019 | 10-Q | 12 Nov 2019 | 2019 | Q3 |
| Q2 2019 | 18,417,701 | +99,560 | +0.54% | 30 Jun 2019 | 10-Q | 09 Aug 2019 | 2019 | Q2 |
| Q1 2019 | 18,417,701 | +159,058 | +0.87% | 31 Mar 2019 | 10-Q | 10 May 2019 | 2019 | Q1 |
| Q4 2018 | 18,271,249 | +464,457 | +2.6% | 31 Dec 2018 | 10-K | 12 Mar 2021 | 2020 | FY |
| Q3 2018 | 18,318,141 | +555,447 | +3.1% | 30 Sep 2018 | 10-Q | 09 Nov 2018 | 2018 | Q3 |
| Q2 2018 | 18,318,141 | +526,643 | +3% | 30 Jun 2018 | 10-Q | 09 Aug 2018 | 2018 | Q2 |
| Q1 2018 | 18,258,643 | +572,514 | +3.2% | 31 Mar 2018 | 10-Q | 10 May 2018 | 2018 | Q1 |
| Q4 2017 | 17,806,792 | +471,792 | +2.7% | 31 Dec 2017 | 10-K | 13 Mar 2020 | 2019 | FY |
| Q3 2017 | 17,762,694 | +411,898 | +2.4% | 30 Sep 2017 | 10-Q | 09 Nov 2017 | 2017 | Q3 |
| Q2 2017 | 17,791,498 | +466,992 | +2.7% | 30 Jun 2017 | 10-Q | 09 Aug 2017 | 2017 | Q2 |
| Q1 2017 | 17,686,129 | +436,543 | +2.5% | 31 Mar 2017 | 10-Q | 10 May 2017 | 2017 | Q1 |
| Q4 2016 | 17,335,000 | -319,000 | -1.8% | 31 Dec 2016 | 10-K | 18 Mar 2019 | 2018 | FY |
| Q3 2016 | 17,350,796 | -464,777 | -2.6% | 30 Sep 2016 | 10-Q | 08 Nov 2016 | 2016 | Q3 |
| Q2 2016 | 17,324,506 | -1,230,921 | -6.6% | 30 Jun 2016 | 10-Q | 09 Aug 2016 | 2016 | Q2 |
| Q1 2016 | 17,249,586 | -1,464,616 | -7.8% | 31 Mar 2016 | 10-Q | 10 May 2016 | 2016 | Q1 |
| Q4 2015 | 17,654,000 | -917,000 | -4.9% | 31 Dec 2015 | 10-K | 16 Mar 2018 | 2017 | FY |
| Q3 2015 | 17,815,573 | -687,686 | -3.7% | 30 Sep 2015 | 10-Q | 09 Nov 2015 | 2015 | Q3 |
| Q2 2015 | 18,555,427 | +107,290 | +0.58% | 30 Jun 2015 | 10-Q | 10 Aug 2015 | 2015 | Q2 |
| Q1 2015 | 18,714,202 | +94,117 | +0.5% | 31 Mar 2015 | 10-Q | 11 May 2015 | 2015 | Q1 |
| Q4 2014 | 18,571,000 | +5,000 | +0.03% | 31 Dec 2014 | 10-K | 16 Mar 2018 | 2017 | FY |
| Q3 2014 | 18,503,259 | -27,292 | -0.15% | 30 Sep 2014 | 10-Q | 07 Nov 2014 | 2014 | Q3 |
| Q2 2014 | 18,448,137 | +3,038 | +0.02% | 30 Jun 2014 | 10-Q | 11 Aug 2014 | 2014 | Q2 |
| Q1 2014 | 18,620,085 | +156,199 | +0.85% | 31 Mar 2014 | 10-Q | 08 May 2014 | 2014 | Q1 |
| Q4 2013 | 18,566,000 | +51,000 | +0.28% | 31 Dec 2013 | 10-K | 15 Mar 2017 | 2016 | FY |
| Q3 2013 | 18,530,551 | +312,014 | +1.7% | 30 Sep 2013 | 10-Q | 12 Nov 2013 | 2013 | Q3 |
| Q2 2013 | 18,445,099 | +226,562 | +1.2% | 30 Jun 2013 | 10-Q | 09 Aug 2013 | 2013 | Q2 |
| Q1 2013 | 18,463,886 | -23,174 | -0.12% | 31 Mar 2013 | 10-Q | 15 May 2013 | 2013 | Q1 |
| Q4 2012 | 18,515,000 | +296,000 | +1.6% | 31 Dec 2012 | 10-K | 15 Mar 2016 | 2015 | FY |
| Q3 2012 | 18,218,537 | +26,911 | +0.15% | 30 Sep 2012 | 10-Q | 09 Nov 2012 | 2012 | Q3 |
| Q2 2012 | 18,218,537 | -291,882 | -1.6% | 30 Jun 2012 | 10-Q/A | 05 Sep 2012 | 2012 | Q2 |
| Q1 2012 | 18,487,060 | 31 Mar 2012 | 10-Q | 09 May 2012 | 2012 | Q1 | ||
| Q4 2011 | 18,219,000 | -67,000 | -0.37% | 31 Dec 2011 | 10-K | 13 Mar 2015 | 2014 | FY |
| Q3 2011 | 18,191,626 | 30 Sep 2011 | 10-Q | 09 Nov 2011 | 2011 | Q3 | ||
| Q2 2011 | 18,510,419 | 30 Jun 2011 | 10-Q/A | 09 Nov 2011 | 2011 | Q2 | ||
| Q4 2010 | 18,286,000 | 31 Dec 2010 | 10-K | 13 Mar 2014 | 2013 | FY |