Number of publications: 9446
Bar charts are proportional to percentage, and scaled.
Items are sorted by frequency.
| Country | Count | Percent |
|
|---|
| USA | 3770 | 39.9 | 
|
| Unknown | 1778 | 18.8 |
|
| Japan | 623 | 6.6 |
|
| Canada | 551 | 5.8 |
|
| France | 353 | 3.7 |
|
| England | 321 | 3.4 |
|
| Italy | 262 | 2.8 |
|
| Germany | 218 | 2.3 |
|
| Netherlands | 192 | 2.0 |
|
| India | 184 | 1.9 |
|
| FRG | 142 | 1.5 |
|
| Australia | 140 | 1.5 |
|
| Spain | 126 | 1.3 |
|
| Sweden | 126 | 1.3 |
|
| Denmark | 82 | 0.9 |
|
| Switzerland | 77 | 0.8 |
|
| Israel | 73 | 0.8 |
|
| Scotland | 73 | 0.8 |
|
| USSR | 71 | 0.8 |
|
| South Africa | 70 | 0.7 |
|
| Finland | 69 | 0.7 |
|
| Belgium | 68 | 0.7 |
|
| South Korea | 67 | 0.7 |
|
| New Zealand | 59 | 0.6 |
|
| Peoples R China | 54 | 0.6 |
|
| Taiwan | 51 | 0.5 |
|
| Poland | 48 | 0.5 |
|
| Brazil | 39 | 0.4 |
|
| Norway | 39 | 0.4 |
|
| CZECHOSLOVAKIA | 30 | 0.3 |
|
| Malaysia | 30 | 0.3 |
|
| Argentina | 26 | 0.3 |
|
| Ireland | 26 | 0.3 |
|
| Hungary | 25 | 0.3 |
|
| Slovakia | 25 | 0.3 |
|
| Russia | 24 | 0.3 |
|
| GDR | 23 | 0.2 |
|
| Mexico | 23 | 0.2 |
|
| Nigeria | 23 | 0.2 |
|
| Greece | 20 | 0.2 |
|
| Austria | 19 | 0.2 |
|
| Egypt | 16 | 0.2 |
|
| Venezuela | 15 | 0.2 |
|
| Wales | 13 | 0.1 |
|
| Chile | 12 | 0.1 |
|
| Portugal | 12 | 0.1 |
|
| Saudi Arabia | 12 | 0.1 |
|
| North Ireland | 11 | 0.1 |
|
| Bulgaria | 10 | 0.1 |
|
| Turkey | 10 | 0.1 |
|
| Iran | 7 | 0.1 |
|
| Singapore | 7 | 0.1 |
|
| ROMANIA | 6 | 0.1 |
|
| Hong Kong | 4 | 0.0 |
|
| Jordan | 4 | 0.0 |
|
| Kuwait | 4 | 0.0 |
|
| LIBYA | 4 | 0.0 |
|
| Morocco | 4 | 0.0 |
|
| Pakistan | 4 | 0.0 |
|
| Thailand | 4 | 0.0 |
|
| UNITED ARAB REP | 4 | 0.0 |
|
| ALGERIA | 3 | 0.0 |
|
| Bangladesh | 3 | 0.0 |
|
| Croatia | 3 | 0.0 |
|
| Cuba | 3 | 0.0 |
|
| Czech Republic | 3 | 0.0 |
|
| UGANDA | 3 | 0.0 |
|
| Colombia | 2 | 0.0 |
|
| Costa Rica | 2 | 0.0 |
|
| Estonia | 2 | 0.0 |
|
| Indonesia | 2 | 0.0 |
|
| Iraq | 2 | 0.0 |
|
| KENYA | 2 | 0.0 |
|
| Lebanon | 2 | 0.0 |
|
| Nepal | 2 | 0.0 |
|
| Slovenia | 2 | 0.0 |
|
| Cameroon | 1 | 0.0 |
|
| ENGLALAND | 1 | 0.0 |
|
| Guatemala | 1 | 0.0 |
|
| HAITI | 1 | 0.0 |
|
| Iceland | 1 | 0.0 |
|
| ITLAY | 1 | 0.0 |
|
| Jamaica | 1 | 0.0 |
|
| Latvia | 1 | 0.0 |
|
| LITHUANIA | 1 | 0.0 |
|
| NB | 1 | 0.0 |
|
| Niger | 1 | 0.0 |
|
| PA19348 | 1 | 0.0 |
|
| PANAMA | 1 | 0.0 |
|
| Peru | 1 | 0.0 |
|
| Philippines | 1 | 0.0 |
|
| SRI LANKA | 1 | 0.0 |
|
| SUDAN | 1 | 0.0 |
|
| Tajikstan | 1 | 0.0 |
|
| TANZANIA | 1 | 0.0 |
|
| Tunisia | 1 | 0.0 |
|
| Vietnam | 1 | 0.0 |
|
| Yemen | 1 | 0.0 |
|
| YUGOSLAVIA | 1 | 0.0 |
|
Items: 99