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 China 72 26.4%
2 United States 66 24.2%
3 Germany 37 13.6%
4 Russia 22 8.1%
5 Netherlands 14 5.1%
6 United Kingdom 10 3.7%
7 Indonesia 8 2.9%
8 Singapore 4 1.5%
9 France 4 1.5%
10 India 4 1.5%
11 Canada 4 1.5%
12 Sweden 4 1.5%
13 Brazil 3 1.1%
14 Denmark 3 1.1%
15 Ghana 3 1.1%
16 Portugal 3 1.1%
17 Romania 2 0.7%
18 Finland 2 0.7%
19 Thailand 2 0.7%
20 Kenya 2 0.7%
21 Hong Kong 1 0.4%
22 Japan 1 0.4%
23 Spain 1 0.4%
24 Serbia 1 0.4%