Rape complaints increased almost 17 percent while sexual assault complaints jumped by around 20 percent, the statistics showed.
The figures came against a background of "collective awareness of violence towards women born out of the (Harvey) Weinstein affair... and the MeToo movement that followed", a report by the ministry's statistical service said.
"The higher number of victims... probably comes from increased reporting of such crimes and a reduction in tolerance for this type of violence," it added.
The global "MeToo" movement that followed the Weinstein case encouraged victims to speak out with sexual allegations surfacing against a raft of well-known figures in the media and entertainment industries.
Political figures and aid group chiefs have also faced allegations.
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