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 254 54.6%
2 United States 106 22.8%
3 Germany 41 8.8%
4 Hong Kong 17 3.7%
5 Taiwan 11 2.4%
6 Russia 5 1.1%
7 Malaysia 5 1.1%
8 Netherlands 4 0.9%
9 India 4 0.9%
10 Norway 3 0.6%
11 Canada 3 0.6%
12 United Kingdom 2 0.4%
13 Japan 2 0.4%
14 France 2 0.4%
15 Bangladesh 2 0.4%
16 Australia 1 0.2%
17 Singapore 1 0.2%
18 Switzerland 1 0.2%
19 Paraguay 1 0.2%