BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 122 43.9%
2 United States 96 34.5%
3 Germany 13 4.7%
4 Netherlands 12 4.3%
5 Hong Kong 8 2.9%
6 Portugal 5 1.8%
7 Korea, Republic of 4 1.4%
8 Senegal 3 1.1%
9 Singapore 3 1.1%
10 Russia 2 0.7%
11 Malaysia 1 0.4%
12 Sweden 1 0.4%
13 Taiwan 1 0.4%
14 United Kingdom 1 0.4%
15 India 1 0.4%
16 Ireland 1 0.4%
17 1 0.4%
18 Australia 1 0.4%
19 Brazil 1 0.4%
20 Bulgaria 1 0.4%