Table:
Year Ended

December 31,

2019	2018	2017

$	$	$

Realized gains (losses) on maturity and/or partial termination of cross currency swap	—	(42,271)	(25,733)

Realized losses	(5,062)	(6,533)	(18,494)

Unrealized (losses) gains	(13,239)	21,240	82,668

Total realized and unrealized (losses) gains on cross currency swaps	(18,301)	(27,564)	38,441

Regarding the table displayed, can you identify how many rows and columns it has? Show your final answer in the JSON format {"row_number": "m", "column_number": "n"}.

There are 8 rows and 4 columns in the table. So, the final answer is {"row_number": "8", "column_number": "4"}.