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 188 41.9%
2 United States 175 39%
3 Germany 29 6.5%
4 Hong Kong 16 3.6%
5 Australia 6 1.3%
6 Taiwan 6 1.3%
7 Russia 3 0.7%
8 Singapore 3 0.7%
9 Switzerland 2 0.4%
10 Thailand 2 0.4%
11 United Kingdom 2 0.4%
12 Burkina Faso 2 0.4%
13 Denmark 2 0.4%
14 India 2 0.4%
15 Macao 2 0.4%
16 Malaysia 2 0.4%
17 Netherlands 2 0.4%
18 Romania 2 0.4%
19 France 1 0.2%
20 Canada 1 0.2%
21 1 0.2%