The death toll of 80 was arrived at after 15 people died in the period between April 23 and the weekend before.
The first burials were of soldiers who died in the period from September to November 1918.
Three of four patients who died in the intervening period survived >5 years after transplantation.
Three patients at the facility died in the 15-month period from July 2010 to October 2011.
Of the 79 people who died in the seven-year period, the average age of death was 58.
But only a quarter of those without depression died in the same period.
North Korea says that 220,000 people died in the four-year period.
Only 10 percent of a control group of Earthbound shrimp died in the same period.
He may have died in the interim period in a Pakistani jail.
But an estimated 6,000 died in the same period.