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 255 71.2%
2 United States 39 10.9%
3 Germany 32 8.9%
4 Ireland 5 1.4%
5 Hong Kong 4 1.1%
6 Canada 4 1.1%
7 Netherlands 4 1.1%
8 Russia 3 0.8%
9 Taiwan 2 0.6%
10 Brazil 2 0.6%
11 Finland 2 0.6%
12 Korea, Republic of 2 0.6%
13 Mexico 2 0.6%
14 India 1 0.3%
15 Singapore 1 0.3%