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 111 38.9%
2 Netherlands 58 20.4%
3 Germany 28 9.8%
4 China 25 8.8%
5 Sweden 10 3.5%
6 Russia 8 2.8%
7 Saudi Arabia 6 2.1%
8 France 6 2.1%
9 Austria 4 1.4%
10 United Kingdom 4 1.4%
11 Pakistan 3 1.1%
12 Hungary 3 1.1%
13 Ireland 2 0.7%
14 Australia 2 0.7%
15 Mexico 2 0.7%
16 Belgium 2 0.7%
17 Brazil 2 0.7%
18 Spain 2 0.7%
19 Turkey 2 0.7%
20 Viet Nam 1 0.4%
21 Canada 1 0.4%
22 Hong Kong 1 0.4%
23 Japan 1 0.4%
24 Serbia 1 0.4%