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 256 41.9%
2 United States 182 29.8%
3 Germany 44 7.2%
4 Netherlands 43 7%
5 France 22 3.6%
6 Hong Kong 17 2.8%
7 Canada 8 1.3%
8 United Kingdom 8 1.3%
9 Portugal 7 1.1%
10 Taiwan 5 0.8%
11 Singapore 4 0.7%
12 Malaysia 4 0.7%
13 4 0.7%
14 Brazil 2 0.3%
15 Norway 2 0.3%
16 Italy 1 0.2%
17 Japan 1 0.2%
18 Korea, Republic of 1 0.2%