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 167 57%
2 United States 54 18.4%
3 Germany 42 14.3%
4 Singapore 4 1.4%
5 Sweden 3 1%
6 Hong Kong 3 1%
7 Japan 3 1%
8 Canada 3 1%
9 Cameroon 2 0.7%
10 Malaysia 2 0.7%
11 Turkey 2 0.7%
12 United Kingdom 2 0.7%
13 Russia 2 0.7%
14 Taiwan 1 0.3%
15 Netherlands 1 0.3%
16 Portugal 1 0.3%
17 France 1 0.3%