Ámbito geográfico
EUROPE
EUROPA
40
UNITED STATES
16
GERMANY
15
LATIN AMERICA
10
EUROPEAN UNION COUNTRIES
7
ALEMANIA
6
EUROPE, EASTERN
6
GREAT BRITAIN
5
JAPAN
5
ARGENTINA
4
FRANCE
4
ESTADOS UNIDOS
3
FRANCIA
3
DEVELOPING COUNTRIES
2
EUROPA ORIENTAL
2
EUROPE, SOUTHERN
2
SOUTH AMERICA
2
SOVIET UNION
2
ALGERIA
1
AMERICA
1
AMÉRICA DEL SUR
1
AMÉRICA LATINA
1
AMÉRICA LATINA
1
ANDES REGION
1
COLOMBIA
1
EUROPA MERIDIONAL
1
EUROPE, WESTERN
1
FORMER SOVIET REPUBLICS
1
GRAN BRETAÑA
1
JAPÓN
1
MEDIO ORIENTE
1
MEDITERRANEAN REGION
1
MIDDLE EAST
1
PRUSIA (ALEMANIA)
1
PRUSSIA (GERMANY)
1
RUSSIA (FEDERATION)
1
SIGLO XX
1
SPAIN
1
UNIÓN SOVIÉTICA
1
URUGUAY
1
VENEZUELA
1
VIENNA (AUSTRIA)
1