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 91 41.2%
2 United States 44 19.9%
3 Poland 24 10.9%
4 Russia 17 7.7%
5 Netherlands 12 5.4%
6 Germany 9 4.1%
7 Chile 8 3.6%
8 Finland 4 1.8%
9 France 3 1.4%
10 Japan 2 0.9%
11 Moldova, Republic of 1 0.5%
12 Pakistan 1 0.5%
13 Singapore 1 0.5%
14 India 1 0.5%
15 Israel 1 0.5%
16 Australia 1 0.5%
17 Ecuador 1 0.5%