| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2017 | 21.6M | +5.31M | +32.5% | 31 Dec 2017 | 40-F | 08 Mar 2018 |
| Q4 2016 | 16.3M | +8.82M | +117% | 31 Dec 2016 | 40-F | 08 Mar 2018 |
| Q4 2015 | 7.52M | -18.1M | -70.6% | 31 Dec 2015 | 40-F | 10 Mar 2017 |
| Q4 2014 | 25.6M | +6.82M | +36.3% | 31 Dec 2014 | 40-F | 15 Mar 2016 |
| Q4 2013 | 18.8M | -1.24M | -6.17% | 31 Dec 2013 | 40-F | 31 Mar 2015 |
| Q4 2012 | 20M | +3.25M | +19.4% | 31 Dec 2012 | 40-F | 28 Mar 2014 |
| Q4 2011 | 16.8M | +13.4M | +400% | 31 Dec 2011 | 40-F | 29 Mar 2013 |
| Q4 2010 | 3.36M | 31 Dec 2010 | 40-F | 30 Mar 2012 |