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 176 44.7%
2 United States 89 22.6%
3 Germany 34 8.6%
4 Netherlands 28 7.1%
5 Canada 21 5.3%
6 Singapore 9 2.3%
7 Hong Kong 5 1.3%
8 India 4 1%
9 United Kingdom 4 1%
10 Russia 4 1%
11 Sierra Leone 3 0.8%
12 France 3 0.8%
13 Brazil 3 0.8%
14 Australia 2 0.5%
15 Italy 2 0.5%
16 Macao 2 0.5%
17 Taiwan 2 0.5%
18 Sweden 1 0.3%
19 Switzerland 1 0.3%
20 Japan 1 0.3%