Table:
Years Ended December 31,

2019	2018

Telecommunication - Maintenance	$86.8	$87.0

Telecommunication - Installation	33.2	41.5

Power - Operations, Maintenance & Construction Support	19.9	31.0

Power - Cable Installation & Repair	32.6	34.8

Total revenue from contracts with customers	172.5	194.3

Other revenue	—	—

Total Marine Services segment revenue	$172.5	$194.3

I'd like to know the total number of rows and columns in the provided table. The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

There are 9 rows and 3 columns in the table. So, the final answer is {"row_number": "9", "column_number": "3"}.