Table:
Number of shares (1,000)	2019	2018	2017

Outstanding as of 1 January	2,719.1	2,611.2	1,999.8

Granted during the period	1,001.1	907.3	866.6

Exercised during the period	-529.4	-	-

Expired during the period	-785.3	-764.0	-233.9

Forfeited during the period	-177.2	-35.4	-21.3

Outstanding as of 31 December	2,228.3	2,719.1	2,611.2

Exercisable as of 31 December	-	255.3	255.3

This image depicts a table. How many rows and columns does this table have? The JSON format {"row_number": "m", "column_number": "n"} should be utilized to display the ultimate result.

This table has 8 rows and 4 columns. Thus, the final answer is {"row_number": "8", "column_number": "4"}.