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 64 22.1%
2 China 57 19.7%
3 India 20 6.9%
4 Germany 18 6.2%
5 Netherlands 16 5.5%
6 Iraq 14 4.8%
7 United Kingdom 10 3.5%
8 Russia 9 3.1%
9 Switzerland 8 2.8%
10 Spain 7 2.4%
11 Colombia 7 2.4%
12 France 7 2.4%
13 Portugal 6 2.1%
14 Cuba 5 1.7%
15 Guatemala 4 1.4%
16 Japan 4 1.4%
17 Korea, Republic of 3 1%
18 Iran, Islamic Republic of 3 1%
19 Hong Kong 3 1%
20 Morocco 3 1%
21 Italy 2 0.7%
22 Australia 2 0.7%
23 Cameroon 2 0.7%
24 Canada 2 0.7%
25 Indonesia 2 0.7%
26 Libya 2 0.7%
27 Macao 2 0.7%
28 Malaysia 1 0.3%
29 Mauritius 1 0.3%
30 Moldova, Republic of 1 0.3%
31 Azerbaijan 1 0.3%
32 Pakistan 1 0.3%
33 Singapore 1 0.3%
34 Taiwan 1 0.3%