These are the entries at 6 June  2016 (19 countries):

ARG 4
AUS 5
AUT 3
BEL 6
DEN 5
ESP 8
GBR 13
FRA 8
GER 24
GRE 1
ITA 12
NED 24
NZL 1
POL 8
SUI 13
SWE 3
USA 1

In Punta Ala, 18 countries participated, amongst which CAY, CZE. We hope to receive entries from them soon!