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 United States 113 39%
2 China 112 38.6%
3 Germany 15 5.2%
4 Hong Kong 8 2.8%
5 Sweden 8 2.8%
6 Portugal 5 1.7%
7 Canada 5 1.7%
8 Senegal 4 1.4%
9 Taiwan 3 1%
10 United Kingdom 3 1%
11 3 1%
12 Ukraine 2 0.7%
13 Russia 1 0.3%
14 Australia 1 0.3%
15 Finland 1 0.3%
16 France 1 0.3%
17 India 1 0.3%
18 Israel 1 0.3%
19 Japan 1 0.3%
20 Korea, Republic of 1 0.3%
21 Macao 1 0.3%