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 187 55.5%
2 United States 62 18.4%
3 Germany 40 11.9%
4 Canada 12 3.6%
5 Australia 10 3%
6 Singapore 4 1.2%
7 Taiwan 4 1.2%
8 India 3 0.9%
9 Japan 3 0.9%
10 Netherlands 3 0.9%
11 Italy 2 0.6%
12 United Kingdom 2 0.6%
13 Russia 2 0.6%
14 Portugal 1 0.3%
15 Brazil 1 0.3%
16 Finland 1 0.3%