I found out that for an event to be considered official there is a minimum of 3 athletes from different countries. If a country backs out there is a penalty of US$1,000 so probably that's what happened. The regulation does not states anything about not giving medals to the participants if less than 3.
Now all the delegations have won at least 1 medal.
G 17 - S 8 - B 2 -T 27
G 5 - S 11 - B 6 - T 22
G 4 - S 6 - B 9 - T 19
G 4 - S 3 - B 1 - T 8
G 1 - S 1 - B 8 - T 7
G 1 - S 0 - B 0 - T 1
G 0 - S 2 - B 1 - T 3
G 0 - S 1 - B 2 - T 3
G 0 - S 0 - B 1 - T 1
G 0 - S 0 - B 1 - T 1