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 233 64%
2 United States 61 16.8%
3 Germany 33 9.1%
4 Canada 15 4.1%
5 Taiwan 4 1.1%
6 France 3 0.8%
7 Portugal 2 0.5%
8 Singapore 2 0.5%
9 Hong Kong 2 0.5%
10 Ireland 2 0.5%
11 Malaysia 2 0.5%
12 Netherlands 2 0.5%
13 New Zealand 1 0.3%
14 Turkey 1 0.3%
15 Viet Nam 1 0.3%