Table:
sociodemographic characteristics
2016
2016
difference

percent

age

65 to 69
81.3
81.4
-0.1

70 to 74
73.7
74.0
-0.3

75 to 79
63.8
63.3
0.5

80 and older
49.2
49.2
0.0

gender

male
69.3
69.2
0.1

female
67.4
67.5
-0.1

employment

currently employed
71.9
69.4
2.5

not employed
67.9
68.1
-0.2

household size

unattached
62.7
66.7
-4.0

living with others
70.6
69.0
1.6

education

less than high school diploma
46.2
49.4
-3.2

high school diploma
69.1
69.8
-0.7

postsecondary below bachelor's degree
76.7
76.0
0.7

bachelor's degree or higher
89.0
86.8
2.2

household income

less than $20,000
..
54.1
..

$20,000 to under $40,000
..
63.7
..

$40,000 to under $60,000
..
68.4
..

$60,000 to under $80,000
..
73.0
..

$80,000 to under $100,000
..
69.7
..

$100,000 and over
..
79.4
..

location

rural
68.2
68.8
-0.6

non-rural
68.3
68.1
0.2

health status

excellent / very good
72.6
72.3
0.3

good
66.9
66.9
0.0

fair / poor
61.9
62.9
-1.0

I need to know the count of rows and columns in this specific table. Your final answer should be in the JSON structure, formatted as {"row_number": "m", "column_number": "n"}.

There are 35 rows and 4 columns in the table. So, the final answer is {"row_number": "35", "column_number": "4"}.