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 44 22.9%
2 China 34 17.7%
3 Germany 27 14.1%
4 Netherlands 16 8.3%
5 Hong Kong 10 5.2%
6 France 8 4.2%
7 Brazil 8 4.2%
8 Poland 8 4.2%
9 Peru 6 3.1%
10 Spain 4 2.1%
11 Sweden 4 2.1%
12 Singapore 3 1.6%
13 Korea, Republic of 3 1.6%
14 Belgium 3 1.6%
15 Colombia 2 1%
16 Pakistan 2 1%
17 Nepal 2 1%
18 Russia 2 1%
19 Tunisia 2 1%
20 Slovenia 1 0.5%
21 Moldova, Republic of 1 0.5%
22 Canada 1 0.5%
23 India 1 0.5%