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 381 67.7%
2 United States 98 17.4%
3 Germany 27 4.8%
4 Hong Kong 13 2.3%
5 Canada 13 2.3%
6 Netherlands 5 0.9%
7 Japan 4 0.7%
8 Australia 4 0.7%
9 Russia 3 0.5%
10 Singapore 3 0.5%
11 France 2 0.4%
12 Portugal 2 0.4%
13 Brazil 2 0.4%
14 Iraq 2 0.4%
15 Denmark 1 0.2%
16 1 0.2%
17 Taiwan 1 0.2%
18 United Kingdom 1 0.2%