Key financial data

$ million  2020  2019 Change Constant currency change
Revenue 2,341 2,207 6% 6%
Core revenue 2,341 2,203 6% 6%
Gross profit 1,201 1,088 10% 10%
Core gross profit 1,213 1,095 11% 11%
Operating profit 579 493 17% 23%
Core operating profit 566 508 11% 17%
EBITDA 670 592 13% 18%
Core EBITDA 674 593 14% 18%
Profit attributable to shareholders 431 486 (11)% (5)%
Core profit attributable to shareholders 408 364 12% 20%
Basic earnings per share (cents) 182.6 200.8 (9)% (3)%
Core basic earnings per share (cents) 172.9 150.4 15% 23%
Total dividend per share (cents) 50.0 44.0 14% -
Cash flow from operating activities 464 472 (2)% -