Age Have been interned in a juvenile centre Total Total Total people who have ever been convicted 100.0 Total Committed to a juvenile centre only once 9.5 Total Committed to a juvenile centre more than once 3.3 Total Have not been in a juvenile centre 87.2 Between 18 and 29 years Total people who have ever been convicted 100.0 Between 18 and 29 years Committed to a juvenile centre only once 18.5 Between 18 and 29 years Committed to a juvenile centre more than once 12.5 Between 18 and 29 years Have not been in a juvenile centre 69.0 Between 30 and 44 years Total people who have ever been convicted 100.0 Between 30 and 44 years Committed to a juvenile centre only once 9.3 Between 30 and 44 years Committed to a juvenile centre more than once 2.9 Between 30 and 44 years Have not been in a juvenile centre 87.8 Between 45 and 64 years Total people who have ever been convicted 100.0 Between 45 and 64 years Committed to a juvenile centre only once 7.9 Between 45 and 64 years Committed to a juvenile centre more than once 1.6 Between 45 and 64 years Have not been in a juvenile centre 90.5 More than 64 years Total people who have ever been convicted 100.0 More than 64 years Committed to a juvenile centre only once 8.7 More than 64 years Committed to a juvenile centre more than once 2.7 More than 64 years Have not been in a juvenile centre 88.6