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 226 49.6%
2 United States 105 23%
3 Germany 34 7.5%
4 Netherlands 22 4.8%
5 Sweden 13 2.9%
6 Canada 13 2.9%
7 Taiwan 12 2.6%
8 Hong Kong 11 2.4%
9 United Kingdom 4 0.9%
10 Russia 3 0.7%
11 Singapore 2 0.4%
12 Japan 2 0.4%
13 Macao 2 0.4%
14 Australia 2 0.4%
15 France 1 0.2%
16 Mexico 1 0.2%
17 Indonesia 1 0.2%
18 Viet Nam 1 0.2%
19 Serbia 1 0.2%