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 222 53.5%
2 United States 97 23.4%
3 Germany 31 7.5%
4 France 17 4.1%
5 Canada 13 3.1%
6 Taiwan 8 1.9%
7 Hong Kong 5 1.2%
8 Japan 4 1%
9 Singapore 4 1%
10 Portugal 2 0.5%
11 United Kingdom 2 0.5%
12 Viet Nam 2 0.5%
13 India 2 0.5%
14 Ireland 2 0.5%
15 Australia 2 0.5%
16 Netherlands 1 0.2%
17 New Zealand 1 0.2%