Expressed as a percentage of sales revenue, by what percent has the amount spent on marketing increased or (decreased) when the ratio for the fiscal year ended 12/31/16 is compared to the ratio for the fiscal year ended 12/31/18? Round to 2 decimal places.

Consolidated Income Statement (in thousands)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues	$ 15,794,341	$ 11,692,713	$ 8,830,669
Cost of revenues	9,967,538	8,033,000	6,257,462
Gross Margin	5,826,803	3,659,713	2,573,207
Expenses:
Marketing expense	2,369,469	1,436,281	1,097,519
Technology and development expense	1,221,814	953,710	780,232
General and administrative expense	630,294	431,043	315,663
Total Expenses	4,221,577	2,821,034	2,193,414
Operating income	1,605,226	838,679	379,793
Interest expense	420,493	238,204	150,114
Other income (expense)	41,725	(115,154)	30,828
Income before income tax expense	1,226,458	485,321	260,507
Income tax expense	15,216	(73,608)	73,829