Table:
For the year ended December 31,

2017	2018	2019

Financial Income

Interest income	2,650	4,784	5,318

Total financial income	2,650	4,784	5,318

Financial Costs

Amortization and write-off of deferred loan/bond issuance costs/premium	12,398	12,593	14,154

Interest expense on loans and realized loss on cash flow hedges	85,813	111,600	122,819

Interest expense on bonds and realized loss on CCSs	27,085	30,029	34,607

Lease charge	10,875	10,520	10,506

Loss arising on bond repurchases at a premium (Note 13)13)	1,459	—	2,119

Other financial costs, including unrealized foreign exchange losses on cash and bonds	1,551	1,885	6,276

Total financial costs	139,181	166,627	190,481

Answer the following question taking into account the following table and its related text, produce your answer and, if helpful, briefly explain your calculation. Conclude with JSON: {"answer": ["ANSWER"], "scale": "SCALE"} ("scale" = "" if no unit).

Text:
GasLog Ltd. and its Subsidiaries
Notes to the consolidated financial statements (Continued)
For the years ended December 31, 2017, 2018 and 2019
(All amounts expressed in thousands of U.S. Dollars, except share and per share data)
19. Financial Income and Costs
An analysis of financial income and costs is as follows:

Question: What was the percentage change in total financial costs from 2017 to 2019?

((190,481 - 139,181 )/139,181  ) * 100, therefore {"answer": "36.86", "scale": "percent"}