(in shares) | December 31, 2017 | December 31, 2016 | December 31, 2015 | ||||||
On issue at 1 January | 159,208,949 | 159,208,949 | 131,050,666 | ||||||
Conversion perpetual convertible preferred equity | — | — | 9,459,283 | ||||||
Capital increases | — | — | 18,699,000 | ||||||
On issue at 31 December - fully paid | 159,208,949 | 159,208,949 | 159,208,949 | ||||||