Conviction rates one of worst in Europe.
Law chiefs and politicians have repeatedly pledged initiatives to help put sex attack suspects in the dock.
But in 2008/09, of 821 rapes reported to police only 83 went to court with 25 ending in conviction.
And the previous 12 months saw just 27 convictions from 922 reported rapes.
Campaigners have warned that the 2010 Cadder Ruling, which gave suspects immediate rights to a lawyer, have made prosecutions even harder. Justice Secretary Kenny MacAskill now plans to abolish need for corrobortation, provoking alarm among legal experts.
The Sunday Mail has revealed a series of scandals in the way in which rape victims have been treated.
A police officer who claimed she was raped by her officer partner was furious the case was not brought to court.
Prosecutors cited a lack of evidence, despite video footage which the woman claims showed her being raped.
She received pounds 22,000 in criminal injuries compensation after it was accepted that she had suffered sexual abuse for over three years.
Last year, Northern Constabulary were attacked for their treatment of a 22-year-old who reported being raped by a Dutch oil worker in Lybster, Caithness.
Two officers took more than three hours to arrive, contrary to ACPOS guidelines.
The man she accused was freed in hours and then flew home.