Hong Kong police have earned a total of HK$135 million ($17.3 million) in allowances during the past six months of anti-government protests, government figures show.

The meal and work-related allowances were on top of HK$950 million overtime pay that the police have earned since the protests intensified in June, according to the figures released to city legislators on Friday.

The Chinese-ruled city has been convulsed by more than 900 often violent protests since June, the security bureau said earlier.

The protests have regularly featured ranks of riot police firing volleys of tear gas or baton-charging protesters, often in central business or tourist areas. The police in turn have been attacked with petrol bombs and other projectiles hurled by protesters, many of them masked.

In a written response to questions from pro-democracy lawmakers, the Civil Service Bureau said HK$50 million in meal allowances had been paid to front-line officers and back-end clerical staff who worked 12 hours or more within a day since the turmoil began.

Another HK$85 million was paid out for work-related allowances, it said. The bureau did not give a breakdown but the allowances could include those paid to the police who worked undercover or in plainclothes for 30 days.

Hong Kong police were not available for comment when contacted by Reuters.

There have been widespread complaints from protesters of police misconduct and public satisfaction with a force once held in great respect by the people has fallen to the lowest on record, according to a poll by the Hong Kong Public Opinion Research Institute.

Many protesters are demanding an independent inquiry into their complaints of police brutality. But the police have described their action as restrained with an appropriate use of force to combat illegal acts.