The research shows authorities have responded to 88.5 percent of the cases as of September, and completed handling 73.1 percent of them.

However, 23.1 percent of the real-name whistle-blowers were either detained or listed as wanted by police on suspicion of rumor-mongering or "causing trouble", the report said.

It notes the case of Liu Hu, a journalist detained for fabricating rumors after he made online accusations of wrongdoing against a former senior official in Chongqing.

The central government's resolve to fight corruption, and the recent downfall of a series of high-ranking officials, have encouraged the public to expose graft.

About the broadcaster:

Nelly Min is an editor at China Daily with more than 10 years of experience as a newspaper editor and photographer. She has worked at major newspapers in the U.S., including the Los Angeles Times and the Detroit Free Press. She is also fluent in Korean.

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