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 166 51.7%
2 United States 68 21.2%
3 Germany 34 10.6%
4 Hong Kong 10 3.1%
5 Taiwan 10 3.1%
6 Korea, Republic of 7 2.2%
7 Canada 5 1.6%
8 Australia 4 1.2%
9 India 3 0.9%
10 Ireland 2 0.6%
11 Israel 2 0.6%
12 Liechtenstein 2 0.6%
13 Netherlands 2 0.6%
14 Sweden 2 0.6%
15 Ukraine 1 0.3%
16 Russia 1 0.3%
17 Singapore 1 0.3%
18 Japan 1 0.3%