Ámbito geográfico
EUROPE
15
UNITED STATES
11
GREAT BRITAIN
9
DEVELOPING COUNTRIES
7
ARGENTINA
6
SPAIN
5
LATIN AMERICA
4
EUROPA
2
JAPAN
2
AMERICA
1
ANDES REGION
1
AUSTRALIA
1
BRAZIL
1
CANADA
1
EAST ASIA
1
ENGLISH-SPEAKING COUNTRIES
1
ESPAÑA
1
ESTADOS UNIDOS
1
EUROPE, EASTERN
1
FRANCE
1
GERMANY
1
GERMANY (WEST)
1
GRAN BRETAÑA
1
ISRAEL
1
ITALY
1
NORTH ATLANTIC REGION
1
PAÍSES EN DESARROLLO
1
SOVIET UNION
1
WEST INDIES, BRITISH
1