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 Germany 47 26.1%
2 United States 41 22.8%
3 China 31 17.2%
4 Netherlands 21 11.7%
5 Russia 7 3.9%
6 France 6 3.3%
7 Japan 6 3.3%
8 Turkey 4 2.2%
9 Palestine, State of 3 1.7%
10 Mexico 3 1.7%
11 Canada 3 1.7%
12 Brazil 2 1.1%
13 Iran, Islamic Republic of 2 1.1%
14 United Kingdom 1 0.6%
15 Saudi Arabia 1 0.6%
16 Singapore 1 0.6%
17 Norway 1 0.6%