2019 £m	2018 £m	2017 £m	2016 £m	2015 £m
Consolidated Income Statement
Revenue	481.8	407.1	359.3	247.6	203.5
Underlying operating profit	127.4	99.2	81.3	52.9	44.4
Underlying profit after taxation	92.5	74.5	60.1	38.4	35.3
Underlying earnings per share – basic (pence)	90.24	76.85	64.68	42.95	40.17
– diluted (pence)	90.01	76.45	64.33	42.65	39.90
Dividend per share (pence)	31.60	25.50	21.44	18.46	16.94
Operating profit	39.0	34.1	33.2	19.5	26.0
Profit after taxation	30.9	36.1	26.1	12.5	19.5
Earnings per share – basic (pence)	30.15	37.24	28.09	14.00	22.14
– diluted (pence)	30.07	37.04	27.93	13.90	21.99

Consolidated Statement of Financial Position
Non-current assets	756.4	769.4	453.1	393.4	184.9
Current assets	292.1	247.9	185.0	162.4	108.6
Current liabilities	(118.1)	(91.6)	(66.4)	(66.0)	(44.1)
Non-current liabilities	(421.3)	(420.7)	(269.1)	(213.2)	(54.9)
Shareholders' funds	509.1	505.0	302.6	276.6	194.5

Consolidated Statement of Cash Flows
Net cash inflow from operating activities	81.8	64.0	77.4	43.6	41.0
Net cash outflow from investing activities	(61.9)	(241.7)	(57.2)	(174.0)	(4.7)
Net cash (outflow)/inflow from financing activities	(20.1)	193.8	1.6	125.3	(14.8)