Operating lease commitments (Tables)

12 Months Ended

Dec. 31, 2018

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Summary of Future Minimum Rentals Payable under Non-Cancellable Operating Leases

Future minimum rentals payable under non-cancellable operating leases as of December 31, 2018 are as follows:

	December 31, 2018
Within one year		2,049
After one year but not more than five years		7,991
More than five years		50,871
Total rentals payable		60,911