Table:
member of a group, organization or association
union or professional association
political party or group

2003
2008
2013
2003
2008
2013
2003
2008
2013

percentage

total
61
65
65
25
29
28
5
6
4

men
63
67
66
28
32
28
6
7
5

women
59
63
65
22
27
27
4
5
4

age group

15 to 24 years
64
68
69
16
17
17
4
4
3

25 to 34 years
60
64
65
29
33
33
3
4
3

35 to 44 years
64
67
69
32
38
37
3
5
3

45 to 54 years
64
67
65
34
40
36
6
6
4

55 to 64 years
62
66
64
26
33
30
7
8
5

65 to 74 years
55
59
62
11
15
16
6
9
7

75 years and older
45
52
59
6
7
9
6
8
7

Statement: the proportion of seniors aged 75 and over who were members or participants was up 14 percentage points between 2003 and 2013, from 45% to 59%.
Question: how many percentage points was the proportion of seniors aged 75 and over who were members or participants up between 2003 and 2013?
Answer: [14]