A total of 303 crimes involving Royal Devon and Exeter Hospital have been investigated by police in the last three years - including rape and arson.
Theft was top of the list of crimes with 91 reports in the time period, according to the data assaults was second with 23.
The figures also show a massive rise in bike thefts from the hospital in 2012, riding from 1 to 18 year on year.
Included in the crimes this year there were neglect or abandonment of a child, two drunk and disorderly, possession of amphetamine and theft by employee.
The figures were released through the Freedom of Information Act but do not include the outcomes of any of the investigations.
So far this year there have been 54 crimes reported in the hospital compared with 100 last year, 77 in 2012 and 72 in 2011.
Five alleged crimes involving RD&E
THEFT OF MOTOR VEHICLE
MAKE A FALSE PRESCRIPTION FOR A SCHEDULED DRUG
BOMB HOAX - COMMUNICATE FALSE INFORMATION
ASSAULT A CONSTABLE IN THE EXECUTION OF HIS / HER DUTY
FALSE REP - CHEQUE OR CARD FRAUD
