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 39 30.2%
2 Germany 28 21.7%
3 Netherlands 14 10.9%
4 China 12 9.3%
5 France 8 6.2%
6 Morocco 3 2.3%
7 Ukraine 3 2.3%
8 United Kingdom 3 2.3%
9 Egypt 3 2.3%
10 Ethiopia 2 1.6%
11 Hong Kong 2 1.6%
12 Moldova, Republic of 2 1.6%
13 Philippines 2 1.6%
14 Viet Nam 2 1.6%
15 Saudi Arabia 2 1.6%
16 Switzerland 2 1.6%
17 Portugal 1 0.8%
18 Russia 1 0.8%