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 413 72.5%
2 United States 87 15.3%
3 Germany 28 4.9%
4 Canada 7 1.2%
5 Taiwan 6 1.1%
6 Hong Kong 5 0.9%
7 India 5 0.9%
8 Indonesia 4 0.7%
9 United Kingdom 3 0.5%
10 Netherlands 3 0.5%
11 Japan 2 0.4%
12 France 2 0.4%
13 Australia 1 0.2%
14 Belgium 1 0.2%
15 Italy 1 0.2%
16 Singapore 1 0.2%
17 Turkey 1 0.2%