Ámbito geográfico
UNITED STATES
13
CHINA
11
ENGLAND
3
ESTADOS UNIDOS
3
TAIWAN
2
BEIJING (CHINA)
1
CHILE
1
GERMANY
1
GUILDFORD
1
HONG KONG
1
LONDON
1
NEW YORK
1
NEW YORK (N.Y.)
1
NEW YORK (STATE)
1
SAN FRANCISCO (CALIF.)
1
SOUTH AMERICA
1
TAIPEI
1
TIBET AUTONOMOUS REGION (CHINA)
1
WESTERN FRONT
1
XI'AN (SHAANXI SHENG)
1