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 88 42.7%
2 United States 46 22.3%
3 Netherlands 10 4.9%
4 Sweden 8 3.9%
5 France 8 3.9%
6 Russia 7 3.4%
7 Korea, Republic of 6 2.9%
8 Hong Kong 6 2.9%
9 Turkey 6 2.9%
10 Malaysia 4 1.9%
11 Mauritius 2 1%
12 Moldova, Republic of 2 1%
13 Singapore 2 1%
14 Finland 2 1%
15 United Kingdom 2 1%
16 Burkina Faso 1 0.5%
17 Germany 1 0.5%
18 India 1 0.5%
19 Israel 1 0.5%
20 Japan 1 0.5%
21 Switzerland 1 0.5%
22 Taiwan 1 0.5%