| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2023 | $1.68B | +$13.1M | +0.78% | Jun 30, 2023 | 20-F | 2023-09-20 |
| Q2 2022 | $1.67B | +$77.5M | +4.86% | Jun 30, 2022 | 20-F | 2023-09-20 |
| Q4 2021 | $1.76B | +$194M | +12.4% | Dec 31, 2021 | 6-K | 2022-03-15 |
| Q2 2021 | $1.59B | +$233M | +17.2% | Jun 30, 2021 | 20-F | 2022-09-22 |
| Q4 2020 | $1.57B | +$218M | +16.2% | Dec 31, 2020 | 6-K | 2021-03-30 |
| Q2 2020 | $1.36B | +$51.4M | +3.93% | Jun 30, 2020 | 20-F | 2022-02-18 |
| Q4 2019 | $1.35B | +$88M | +6.97% | Dec 31, 2019 | 6-K | 2020-03-20 |
| Q2 2019 | $1.31B | +$99.3M | +8.21% | Jun 30, 2019 | 20-F | 2020-09-28 |
| Q4 2018 | $1.26B | +$82.3M | +6.98% | Dec 31, 2018 | 6-K | 2019-02-28 |
| Q2 2018 | $1.21B | +$152M | +14.4% | Jun 30, 2018 | 20-F | 2019-09-19 |
| Q4 2017 | $1.18B | Dec 31, 2017 | 6-K | 2018-03-23 | ||
| Q2 2017 | $1.06B | +$54.1M | +5.39% | Jun 30, 2017 | 20-F | 2018-09-21 |
| Q2 2016 | $1B | +$20.5M | +2.08% | Jun 30, 2016 | 20-F | 2017-09-22 |
| Q2 2015 | $984M | +$57M | +6.15% | Jun 30, 2015 | 20-F | 2016-09-23 |
| Q2 2014 | $927M | +$182M | +24.5% | Jun 30, 2014 | 20-F/A | 2016-03-08 |
| Q2 2013 | $745M | +$192M | +34.7% | Jun 30, 2013 | 20-F | 2014-09-29 |
| Q2 2012 | $553M | +$94.2M | +20.5% | Jun 30, 2012 | 20-F/A | 2013-09-30 |
| Q2 2011 | $459M | +$73.9M | +19.2% | Jun 30, 2011 | 20-F | 2012-10-12 |
| Q2 2010 | $385M | Jun 30, 2010 | 20-F/A | 2011-10-20 |