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 54 27.7%
2 United States 43 22.1%
3 Germany 17 8.7%
4 Netherlands 13 6.7%
5 France 9 4.6%
6 Belarus 9 4.6%
7 Taiwan 9 4.6%
8 India 7 3.6%
9 Korea, Republic of 7 3.6%
10 Iran, Islamic Republic of 5 2.6%
11 Ireland 5 2.6%
12 Singapore 4 2.1%
13 Sweden 4 2.1%
14 Switzerland 2 1%
15 Japan 2 1%
16 Canada 2 1%
17 Cyprus 1 0.5%
18 Virgin Islands, U.S. 1 0.5%
19 Spain 1 0.5%