Number of publications: 6632
Bar charts are proportional to percentage, and scaled.
Items are sorted by frequency.
| Country | Count | Percent |
|
|---|
| Unknown | 2867 | 43.2 | 
|
| USA | 1433 | 21.6 |
|
| Germany | 357 | 5.4 |
|
| FRG | 220 | 3.3 |
|
| England | 196 | 3.0 |
|
| France | 171 | 2.6 |
|
| Italy | 170 | 2.6 |
|
| Japan | 165 | 2.5 |
|
| USSR | 163 | 2.5 |
|
| Russia | 160 | 2.4 |
|
| Canada | 114 | 1.7 |
|
| India | 110 | 1.7 |
|
| Switzerland | 105 | 1.6 |
|
| Poland | 84 | 1.3 |
|
| Peoples R China | 82 | 1.2 |
|
| Australia | 67 | 1.0 |
|
| Brazil | 64 | 1.0 |
|
| Spain | 60 | 0.9 |
|
| Sweden | 60 | 0.9 |
|
| Denmark | 58 | 0.9 |
|
| Israel | 53 | 0.8 |
|
| Mexico | 42 | 0.6 |
|
| Austria | 40 | 0.6 |
|
| Netherlands | 38 | 0.6 |
|
| Belgium | 33 | 0.5 |
|
| Norway | 28 | 0.4 |
|
| GDR | 25 | 0.4 |
|
| Scotland | 23 | 0.3 |
|
| South Korea | 22 | 0.3 |
|
| Bulgaria | 19 | 0.3 |
|
| Argentina | 18 | 0.3 |
|
| Finland | 18 | 0.3 |
|
| Greece | 18 | 0.3 |
|
| Hungary | 17 | 0.3 |
|
| CZECHOSLOVAKIA | 16 | 0.2 |
|
| Kyrgyzstan | 16 | 0.2 |
|
| South Africa | 16 | 0.2 |
|
| Ukraine | 16 | 0.2 |
|
| Romania | 12 | 0.2 |
|
| Slovenia | 12 | 0.2 |
|
| Taiwan | 12 | 0.2 |
|
| Ireland | 10 | 0.2 |
|
| YUGOSLAVIA | 10 | 0.2 |
|
| Portugal | 8 | 0.1 |
|
| Byelarus | 7 | 0.1 |
|
| Chile | 7 | 0.1 |
|
| Turkey | 7 | 0.1 |
|
| Singapore | 6 | 0.1 |
|
| Venezuela | 6 | 0.1 |
|
| Czech Republic | 5 | 0.1 |
|
| North Ireland | 5 | 0.1 |
|
| Rep of Georgia | 5 | 0.1 |
|
| Slovakia | 5 | 0.1 |
|
| Algeria | 4 | 0.1 |
|
| Croatia | 4 | 0.1 |
|
| UK | 4 | 0.1 |
|
| Armenia | 3 | 0.0 |
|
| Estonia | 3 | 0.0 |
|
| Vietnam | 3 | 0.0 |
|
| CHINA | 2 | 0.0 |
|
| COSTA RICA | 2 | 0.0 |
|
| Egypt | 2 | 0.0 |
|
| HOLLAND | 2 | 0.0 |
|
| Hong Kong | 2 | 0.0 |
|
| Iran | 2 | 0.0 |
|
| Kuwait | 2 | 0.0 |
|
| Malaysia | 2 | 0.0 |
|
| Nigeria | 2 | 0.0 |
|
| Siberia | 2 | 0.0 |
|
| South India | 2 | 0.0 |
|
| Wales | 2 | 0.0 |
|
| AESSR | 1 | 0.0 |
|
| AUSTL | 1 | 0.0 |
|
| Azerbaijan | 1 | 0.0 |
|
| BANGLADESH | 1 | 0.0 |
|
| BELGIQUE | 1 | 0.0 |
|
| BRASIL | 1 | 0.0 |
|
| Colombia | 1 | 0.0 |
|
| Cuba | 1 | 0.0 |
|
| ITALIA | 1 | 0.0 |
|
| Kazakhstan | 1 | 0.0 |
|
| KOREA | 1 | 0.0 |
|
| LIBYA | 1 | 0.0 |
|
| OSTERREICH | 1 | 0.0 |
|
| PAKISTAN | 1 | 0.0 |
|
| Peru | 1 | 0.0 |
|
| PHILIPPINES | 1 | 0.0 |
|
| Saudi Arabia | 1 | 0.0 |
|
| SUDAN | 1 | 0.0 |
|
| SWAZILAND | 1 | 0.0 |
|
Items: 90