The all-time high of the indicator dates back to June 1997, when it hit 11.7 percent at the end of the severe economic crisis that hit Sweden in the 1990s.
The country has faced a rise in cases and deaths since the end of June, reporting on Tuesday the highest single-day death toll of 229 since announcing its first cases in February.
He said that total 5,709 deaths had been reported from the disease with 32 reported during last 24 hours. He said that 213,175 patients had been recovered.
Multiple samples collected from the company, including frozen food, processing workshop, canteen and office building also tested positive, state media said.
Measures to combat the spread of the coronavirus pandemic brought the economy to a near standstill and sent consumer confidence to a record low of 54.9 points in April.
Brazil registered a new daily record for confirmed coronavirus cases on Wednesday, pushing the total confirmed cases across Latin America past 4 million.