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 United States 107 43.9%
2 Germany 37 15.2%
3 Netherlands 18 7.4%
4 India 14 5.7%
5 China 9 3.7%
6 Ghana 7 2.9%
7 Nigeria 7 2.9%
8 Canada 5 2%
9 Singapore 5 2%
10 United Kingdom 5 2%
11 Japan 4 1.6%
12 Greece 4 1.6%
13 Portugal 4 1.6%
14 Iran, Islamic Republic of 3 1.2%
15 Hong Kong 3 1.2%
16 France 3 1.2%
17 Australia 2 0.8%
18 Israel 2 0.8%
19 Romania 2 0.8%
20 Pakistan 1 0.4%
21 Poland 1 0.4%
22 Yemen 1 0.4%