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 322 45.3%
2 Netherlands 118 16.6%
3 United States 115 16.2%
4 Germany 86 12.1%
5 Canada 22 3.1%
6 Hong Kong 10 1.4%
7 Taiwan 7 1%
8 Korea, Republic of 6 0.8%
9 France 5 0.7%
10 Ukraine 4 0.6%
11 United Kingdom 2 0.3%
12 Singapore 2 0.3%
13 India 2 0.3%
14 Ireland 2 0.3%
15 Australia 2 0.3%
16 Finland 1 0.1%
17 Japan 1 0.1%
18 Iceland 1 0.1%
19 Mauritius 1 0.1%
20 Nigeria 1 0.1%
21 Russia 1 0.1%