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 62 27.8%
2 China 51 22.9%
3 Germany 27 12.1%
4 Netherlands 21 9.4%
5 Ireland 9 4%
6 Russia 7 3.1%
7 United Kingdom 6 2.7%
8 Sweden 5 2.2%
9 Egypt 5 2.2%
10 Spain 4 1.8%
11 Singapore 3 1.3%
12 Colombia 3 1.3%
13 2 0.9%
14 Australia 2 0.9%
15 Canada 2 0.9%
16 France 2 0.9%
17 India 2 0.9%
18 Israel 2 0.9%
19 Korea, Republic of 2 0.9%
20 Turkey 2 0.9%
21 Ukraine 1 0.4%
22 Mauritius 1 0.4%
23 Moldova, Republic of 1 0.4%
24 Hong Kong 1 0.4%