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 Germany 59 32.6%
2 United States 43 23.8%
3 Netherlands 30 16.6%
4 China 15 8.3%
5 Spain 10 5.5%
6 Australia 5 2.8%
7 France 3 1.7%
8 Korea, Republic of 3 1.7%
9 Saudi Arabia 3 1.7%
10 India 2 1.1%
11 Canada 2 1.1%
12 Guinea 1 0.6%
13 Brazil 1 0.6%
14 Egypt 1 0.6%
15 Ethiopia 1 0.6%
16 Italy 1 0.6%
17 Viet Nam 1 0.6%