Table:
donor rate
total donations

all donors
primary donors
other donors
all donors
primary donors
other donors
all donors
primary donors
other donors

percentage
millions of dollars
breakdown

canvassing method

by mail
27
48
25
1,731
1,059
672
13.6
12.6
15.4

by telephone
7
15
7
314
f
113
2.5
2.4
2.6

television or radio ad
9
12
9
249
108
141
1.9
1.3
3.2

online
14
23
14
855
508
348
6.7
6
7.9

on one's own
23
36
22
2,579
1,930
649
20.2
23
14.8

attending a charity event
19
30
18
568
263
304
4.4
3.1
7

in memoriam donation
20
33
19
600
f
272
4.7
3.9
6.2

at work
19
25
19
558
282
275
4.4
3.4
6.3

door-to-door canvassing
24
29
23
218
55
163
1.7
0.6
3.7

at shopping centre or on the street
34
29
35
175
26
149
1.4
0.3
3.4

collection at a church, synagogue, mosque or other place of worship
34
67
30
4,040
3,115
924
31.7
37.1
21.1

sponsoring someone
28
38
27
278
83
195
2.2
1
4.5

other canvassing method
8
16
7
600
432
168
4.7
5.1
3.9

Statement: 1.7% of all donations in 2013 were collected through door-to-door canvassing.
Question: how many percentage points of donation have been colleceted through door-to-door canvassing?
Answer: [1.7]