Lev3: POSITRON ANNIHILATION//POSITRONIUM//MAEAM - Statistics for Countries |
Statistics per Country |
Number of publications, full counts |
Obs | Country | 1990-1994 | 1995-1999 | 2000-2004 | 2005-2009 | 2010-2014 | All years |
---|---|---|---|---|---|---|---|
1 | All countries | 174 | 246 | 420 | 557 | 592 | 1989 |
2 | United States | 88 | 108 | 181 | 226 | 203 | 806 |
3 | Japan | 19 | 21 | 54 | 93 | 103 | 290 |
4 | China | 8 | 5 | 28 | 86 | 151 | 278 |
5 | France | 9 | 35 | 78 | 83 | 73 | 278 |
6 | United Kingdom | 13 | 29 | 50 | 49 | 58 | 199 |
7 | Germany | 16 | 26 | 42 | 36 | 54 | 174 |
8 | Sweden | 7 | 25 | 30 | 41 | 29 | 132 |
9 | Russian Federation | 4 | 20 | 26 | 37 | 44 | 131 |
10 | India | 6 | 10 | 13 | 26 | 13 | 68 |
11 | Switzerland | 1 | 4 | 6 | 12 | 9 | 32 |
12 | Spain | . | . | 6 | 16 | 9 | 31 |
13 | Italy | . | 2 | 7 | 10 | 7 | 26 |
14 | Canada | 1 | 5 | 6 | 3 | 4 | 19 |
15 | Hungary | . | . | 1 | 9 | 3 | 13 |
16 | Netherlands | 4 | 1 | 1 | 2 | 5 | 13 |
17 | Israel | . | 2 | 2 | 6 | 2 | 12 |
18 | Taiwan | 2 | 3 | 2 | 1 | 3 | 11 |
19 | Belgium | . | . | 1 | 3 | 5 | 9 |
20 | Korea, Republic of | 1 | 2 | . | 2 | 4 | 9 |
21 | Austria | . | 2 | 2 | 2 | 2 | 8 |
22 | Ukraine | . | 1 | 4 | 2 | 1 | 8 |
23 | Argentina | . | 2 | 2 | 1 | 2 | 7 |
24 | Chile | . | . | . | 5 | 2 | 7 |
25 | Denmark | 2 | 2 | 1 | 1 | . | 6 |
26 | Poland | . | . | 3 | 2 | 1 | 6 |
27 | USSR | 6 | . | . | . | . | 6 |
28 | Australia | 2 | . | . | 1 | 2 | 5 |
29 | Oman | . | . | . | 1 | 3 | 4 |
30 | South Africa | . | . | 1 | . | 3 | 4 |
31 | Venezuela | . | . | 1 | 3 | . | 4 |
32 | Viet Nam | . | . | . | . | 4 | 4 |
33 | Brazil | . | 1 | . | 2 | . | 3 |
34 | New Zealand | . | . | . | 1 | 1 | 2 |
35 | Nigeria | . | . | . | 2 | . | 2 |
36 | Colombia | . | . | . | . | 1 | 1 |
37 | Czech Republic | . | . | . | 1 | . | 1 |
38 | Estonia | . | . | . | 1 | . | 1 |
39 | Iceland | . | . | 1 | . | . | 1 |
40 | Iran, Islamic Republic of | . | . | . | . | 1 | 1 |
41 | Niger | . | . | . | 1 | . | 1 |
42 | Norway | . | . | 1 | . | . | 1 |
43 | Portugal | . | . | 1 | . | . | 1 |
44 | Slovak Republic | . | . | . | . | 1 | 1 |
45 | Slovenia | . | . | . | . | 1 | 1 |
46 | Sudan | . | . | . | . | 1 | 1 |
47 | Thailand | . | . | 1 | . | . | 1 |
Number of publications, full counts |