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 274 61.3%
2 United States 95 21.3%
3 Germany 33 7.4%
4 Canada 13 2.9%
5 Singapore 4 0.9%
6 Russia 3 0.7%
7 Albania 3 0.7%
8 Australia 3 0.7%
9 Finland 2 0.4%
10 Hong Kong 2 0.4%
11 Japan 2 0.4%
12 Malaysia 2 0.4%
13 Taiwan 2 0.4%
14 Viet Nam 2 0.4%
15 Ukraine 1 0.2%
16 Mexico 1 0.2%
17 Norway 1 0.2%
18 Poland 1 0.2%
19 Macao 1 0.2%
20 Ireland 1 0.2%
21 Italy 1 0.2%