Table:
Historical population

Census	Pop.	Note	%±

1880	466	—
1890	498	6.9%
1930	853	—
1940	873	2.3%
1950	1,516	73.7%
1960	3,956	160.9%
1970	9,264	134.2%
1980	24,273	162.0%
1990	46,521	91.7%
2000	77,737	67.1%
2010	95,290	22.6%
2016 (est.)	104,659	[110]	9.8%
U.S. Decennial Census[111]

Provide me with the row number and column number for the table shown in this image. Output the final answer in the JSON format {"row_number": "m", "column_number": "n"}. For instance, if the table has 5 rows and 4 columns, the answer would be {"row_number": "5", "column_number": "4"}

This table has 15 rows and 4 columns. Thus, the final answer is {"row_number": "15", "column_number": "4"}.