Lev1: ROCK CUTTING//PERCUSSIVE DRILLING//TBM PERFORMANCE - 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 | 28 | 46 | 78 | 100 | 216 | 468 |
2 | United States | 7 | 4 | 13 | 13 | 49 | 86 |
3 | China | 1 | 1 | 14 | 16 | 51 | 83 |
4 | Turkey | 1 | 7 | 18 | 22 | 31 | 79 |
5 | Iran, Islamic Republic of | . | . | 2 | 7 | 32 | 41 |
6 | Australia | 1 | 3 | 4 | 5 | 12 | 25 |
7 | Sweden | 3 | 10 | 7 | 3 | 2 | 25 |
8 | Italy | . | 1 | 5 | 7 | 10 | 23 |
9 | Poland | . | . | 4 | 5 | 13 | 22 |
10 | Switzerland | . | . | 1 | 4 | 12 | 17 |
11 | Norway | . | . | . | 2 | 10 | 12 |
12 | Canada | 3 | 1 | 4 | 1 | 1 | 10 |
13 | Germany | . | 1 | 4 | 1 | 4 | 10 |
14 | Japan | 1 | 1 | 4 | 1 | 3 | 10 |
15 | Korea, Republic of | . | . | . | 3 | 7 | 10 |
16 | United Kingdom | 1 | 7 | 1 | . | 1 | 10 |
17 | Greece | . | . | 1 | 5 | 3 | 9 |
18 | Russian Federation | . | 3 | 2 | 4 | . | 9 |
19 | Spain | . | . | 1 | 3 | 3 | 7 |
20 | Taiwan | . | 1 | 1 | 4 | 1 | 7 |
21 | Ukraine | 3 | 3 | . | 1 | . | 7 |
22 | Austria | . | . | . | . | 6 | 6 |
23 | France | . | . | 2 | 2 | 2 | 6 |
24 | Singapore | . | 1 | . | 5 | . | 6 |
25 | Chile | . | 1 | 3 | 1 | . | 5 |
26 | Czech Republic | . | . | 1 | 1 | 3 | 5 |
27 | Belgium | . | 2 | . | . | 2 | 4 |
28 | Finland | . | . | . | . | 3 | 3 |
29 | India | . | . | . | 1 | 2 | 3 |
30 | Netherlands | 2 | . | 1 | . | . | 3 |
31 | Romania | . | . | . | 2 | 1 | 3 |
32 | Brazil | . | . | . | 1 | 1 | 2 |
33 | Liechtenstein | 1 | 1 | . | . | . | 2 |
34 | South Africa | . | . | 1 | . | 1 | 2 |
35 | Denmark | . | . | . | . | 1 | 1 |
36 | Egypt | . | 1 | . | . | . | 1 |
37 | Israel | 1 | . | . | . | . | 1 |
38 | Lebanon | . | . | . | . | 1 | 1 |
39 | Lithuania | . | . | . | . | 1 | 1 |
40 | Pakistan | . | . | . | . | 1 | 1 |
41 | Peru | . | . | . | 1 | . | 1 |
42 | Republic of Serbia | . | . | . | . | 1 | 1 |
43 | Slovak Republic | . | . | . | . | 1 | 1 |
44 | Slovenia | . | . | . | . | 1 | 1 |
45 | United Arab Emirates | 1 | . | . | . | . | 1 |
46 | Venezuela | . | 1 | . | . | . | 1 |
Number of publications, full counts |