BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 585 33.5%
2 China 369 21.1%
3 Netherlands 165 9.4%
4 Germany 142 8.1%
5 France 70 4%
6 Russia 54 3.1%
7 Japan 49 2.8%
8 Canada 46 2.6%
9 Chile 31 1.8%
10 Korea, Republic of 26 1.5%
11 India 20 1.1%
12 Pakistan 14 0.8%
13 Egypt 14 0.8%
14 United Kingdom 13 0.7%
15 Sweden 11 0.6%
16 Singapore 9 0.5%
17 Denmark 9 0.5%
18 Ecuador 8 0.5%
19 Colombia 8 0.5%
20 Brazil 8 0.5%
21 Indonesia 8 0.5%
22 South Africa 8 0.5%
23 Iraq 7 0.4%
24 Morocco 7 0.4%
25 Australia 7 0.4%
26 Hong Kong 6 0.3%
27 Peru 6 0.3%
28 Iran, Islamic Republic of 6 0.3%
29 Ukraine 5 0.3%
30 Guatemala 4 0.2%
31 Belgium 3 0.2%
32 Ireland 3 0.2%
33 Lithuania 3 0.2%
34 Italy 3 0.2%
35 Romania 3 0.2%
36 Portugal 2 0.1%
37 Mexico 2 0.1%
38 Moldova, Republic of 2 0.1%
39 Cameroon 2 0.1%
40 Syrian Arab Republic 2 0.1%
41 Thailand 2 0.1%
42 Spain 2 0.1%
43 Venezuela, Bolivarian Republic of 1 0.1%
44 Finland 1 0.1%
45 Israel 1 0.1%
46 Poland 1 0.1%