0%. Just read the reports from Wuhan and Italy. For example, citing from https://www.worldometers.info/coronavirus/country/italy/:
March 20 (GMT)
Italy: in the city of Bergamo, there were 108 more deaths in the first 15 days of March this year compared to 2019 (164 deaths in 2020 vs. 56 deaths in 2019) according to the mayor of the city Giorgio Gori. During this period, 31 deaths were attributed to the coronavirus (less than 30% of the additional deaths this year)
"There are significant numbers of people who have died but whose death hasn't been attributed to the coronavirus because they died at home or in a nursing home and so they weren't swabbed," said the mayor [source]
March 19 (GMT)
Italian army trucks form a long line in the center of Bergamo to transport the coffins from the Bergamo cemetery to cremation sites in other regions, as morgues can't cope with more coronavirus deaths
Obituaries in the local newspaper went from 1.5 pages (on Feb. 9) to 10 pages (on March 13)