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 153 63.2%
2 United States 28 11.6%
3 Germany 16 6.6%
4 Netherlands 10 4.1%
5 France 8 3.3%
6 Hong Kong 4 1.7%
7 Ireland 3 1.2%
8 Viet Nam 3 1.2%
9 Switzerland 2 0.8%
10 Taiwan 2 0.8%
11 United Kingdom 2 0.8%
12 Japan 2 0.8%
13 Korea, Republic of 2 0.8%
14 Moldova, Republic of 1 0.4%
15 Russia 1 0.4%
16 Serbia 1 0.4%
17 Italy 1 0.4%
18 Finland 1 0.4%
19 Indonesia 1 0.4%
20 Iraq 1 0.4%