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 China 74 44.3%
2 United States 36 21.6%
3 Germany 16 9.6%
4 Kenya 9 5.4%
5 Netherlands 6 3.6%
6 France 5 3%
7 Switzerland 4 2.4%
8 Korea, Republic of 4 2.4%
9 Macao 3 1.8%
10 Mexico 3 1.8%
11 Hong Kong 3 1.8%
12 Taiwan 2 1.2%
13 Russia 1 0.6%
14 Finland 1 0.6%