Table:
total, ages 15 to 74
birth cohort

1940 to 1959
1960 to 1979
1980 to 1999

percent

proportion experiencing any childhood physical abuse by other forms of childhood violence

any childhood physical abuse
17.8
19.3
20.9
13.3

childhood sexual abuse

no childhood sexual abuse
15.0
16.1
17.7
11.7

any childhood sexual abuse
46.4
43.6
47.9
48.3

witnessed parental violence

never
13.3
14.3
15.8
10.1

1 to 5 times
44.8
47.4
47.5
38.9

6 or more times
69.5
71.7
69.7
65.9

accumulation of violent events

childhood physical abuse only
52.9
46.8
51.3
63.5

childhood sexual abuse only
18.8
23.3
18.8
12.9

witnessed only parental violence 6 or more times
4.2
4.0
4.1
4.8

a combination of any two forms of violence
19.4
20.5
20.8
15.5

all three forms of violence
4.7
5.3
5.1
3.3

Statement: the overall rate of childhood physical abuse across ages 15 to 74 is about 18%.
Question: what is the overall rate of childhood physical abuse across ages 15 to 74?
Answer: [17.8]