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 245 39.1%
2 United States 191 30.5%
3 Netherlands 71 11.3%
4 Germany 41 6.5%
5 France 18 2.9%
6 Taiwan 16 2.6%
7 Hong Kong 16 2.6%
8 Canada 8 1.3%
9 Portugal 7 1.1%
10 4 0.6%
11 United Kingdom 3 0.5%
12 Norway 2 0.3%
13 Italy 2 0.3%
14 Japan 1 0.2%
15 Estonia 1 0.2%