BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 52 34.4%
2 Germany 21 13.9%
3 Singapore 20 13.2%
4 United Kingdom 20 13.2%
5 China 13 8.6%
6 Russia 8 5.3%
7 France 6 4%
8 Estonia 2 1.3%
9 Poland 2 1.3%
10 Viet Nam 1 0.7%
11 Canada 1 0.7%
12 India 1 0.7%
13 Korea, Republic of 1 0.7%
14 Moldova, Republic of 1 0.7%
15 Nepal 1 0.7%
16 Netherlands 1 0.7%