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 35 22.2%
2 China 32 20.3%
3 Netherlands 19 12%
4 Germany 16 10.1%
5 Korea, Republic of 14 8.9%
6 Pakistan 13 8.2%
7 Taiwan 10 6.3%
8 Ireland 7 4.4%
9 France 3 1.9%
10 India 2 1.3%
11 Italy 2 1.3%
12 Sweden 2 1.3%
13 Turkey 1 0.6%
14 Singapore 1 0.6%
15 Belarus 1 0.6%