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 United States 206 36.9%
2 China 153 27.4%
3 Netherlands 53 9.5%
4 Germany 44 7.9%
5 Hong Kong 30 5.4%
6 France 19 3.4%
7 Bulgaria 9 1.6%
8 Canada 7 1.3%
9 Portugal 7 1.3%
10 Singapore 5 0.9%
11 5 0.9%
12 Italy 4 0.7%
13 Taiwan 3 0.5%
14 Norway 3 0.5%
15 United Kingdom 3 0.5%
16 Japan 2 0.4%
17 Moldova, Republic of 2 0.4%
18 Australia 1 0.2%
19 Poland 1 0.2%
20 United Arab Emirates 1 0.2%