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 58 25.8%
2 United States 42 18.7%
3 Germany 25 11.1%
4 Netherlands 22 9.8%
5 Korea, Republic of 12 5.3%
6 Ireland 10 4.4%
7 France 10 4.4%
8 Belarus 9 4%
9 India 9 4%
10 Sweden 8 3.6%
11 Taiwan 8 3.6%
12 Mongolia 4 1.8%
13 Ukraine 2 0.9%
14 Australia 2 0.9%
15 Hong Kong 2 0.9%
16 Canada 1 0.4%
17 Cyprus 1 0.4%