The coronavirus outbreak might have killed more than 41,000 people in the U.K. so far, according to a calculation by the Financial Times.

The estimate based on the latest figures of the Office for National Statistics (ONS) is “more than double the official figure of 17,337”, which only consists of deaths in hospitals.

“The coronavirus pandemic has already caused as many as 41,000 deaths in the UK,” the FT analysis suggested.

According to Tuesday’s data by the ONS, all deaths in England and Wales in the week ending April 10 were 75% more than normal rates in highest level

Read more: COVID-19 already killed over 41,000 in UK: FT