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 59 33%
2 China 50 27.9%
3 Germany 35 19.6%
4 Hong Kong 7 3.9%
5 Netherlands 7 3.9%
6 Ireland 4 2.2%
7 Singapore 4 2.2%
8 United Kingdom 3 1.7%
9 Spain 2 1.1%
10 Mauritius 2 1.1%
11 India 2 1.1%
12 Poland 1 0.6%
13 Russia 1 0.6%
14 Ukraine 1 0.6%
15 Slovakia 1 0.6%