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 192 54.7%
2 United States 65 18.5%
3 Germany 42 12%
4 Taiwan 20 5.7%
5 Hong Kong 8 2.3%
6 Singapore 6 1.7%
7 Russia 5 1.4%
8 Netherlands 4 1.1%
9 Canada 3 0.9%
10 Ireland 2 0.6%
11 Japan 2 0.6%
12 Ukraine 1 0.3%
13 United Kingdom 1 0.3%