BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 83 43.5%
2 United States 69 36.1%
3 Germany 12 6.3%
4 Canada 5 2.6%
5 Taiwan 4 2.1%
6 Hong Kong 4 2.1%
7 Indonesia 2 1%
8 Czech Republic 2 1%
9 2 1%
10 Ukraine 2 1%
11 Australia 1 0.5%
12 France 1 0.5%
13 Italy 1 0.5%
14 Japan 1 0.5%
15 Portugal 1 0.5%
16 Sweden 1 0.5%