Ámbito geográfico
UNITED STATES
ESTADOS UNIDOS
892
LATIN AMERICA
179
GREAT BRITAIN
126
ARGENTINA
101
EUROPE
101
SOVIET UNION
61
JAPAN
50
MEXICO
41
CANADA
37
FRANCE
35
CUBA
34
GERMANY
33
CENTRAL AMERICA
27
CHINA
26
DEVELOPING COUNTRIES
26
AMÉRICA LATINA
25
EUROPA
18
MIDDLE EAST
18
FOREIGN COUNTRIES
17
AMERICA
16
NEW YORK
15
NEW YORK (STATE)
15
GRAN BRETAÑA
14
CALIFORNIA
13
CARIBBEAN AREA
13
ENGLAND
12
EUROPEAN UNION COUNTRIES
12
GRAN BRETAÑA
12
SPAIN
12
VIETNAM
11
FRANCIA
10
IRAQ
10
NORTH AMERICA
10
ASIA
9
COLOMBIA
9
AFRICA
8
AMÉRICA LATINA
8
MASSACHUSETTS
8
SOUTH AMERICA
8
CHILE
7
EUROPEAN ECONOMIC COMMUNITY COUNTRIES
7
GUATEMALA
7
ISRAEL
7
ITALY
7
SOUTHERN STATES
7
BRAZIL
6
MÉXICO
6
VENEZUELA
6
WASHINGTON (D.C.)
6
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