Table:
cancer group
average number of cases per year
annual incidence rate
percent (%) of childhood cancer cases

all cancers
905
161
100

leukemias
292
52
32

cns tumours
173
31
19

lymphomas
100
18
11

neuroblastomas
71
13
8

soft tissue sarcomas
59
10
6

Statement: this rate corresponds to an average of 905 new cases of childhood cancer per year during this time period.
Question: what was the rate corresponds to an average of new cases of childhood cancer per year during this time period?
Answer: [905.0]