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 48.7%
2 United States 131 34.1%
3 Germany 34 8.9%
4 Hong Kong 7 1.8%
5 India 5 1.3%
6 Taiwan 4 1%
7 Sweden 2 0.5%
8 Belarus 2 0.5%
9 Brazil 2 0.5%
10 Italy 2 0.5%
11 Malaysia 2 0.5%
12 Netherlands 1 0.3%
13 Russia 1 0.3%
14 Singapore 1 0.3%
15 Indonesia 1 0.3%
16 Israel 1 0.3%
17 Canada 1 0.3%