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 184 54.8%
2 United States 70 20.8%
3 Germany 35 10.4%
4 Canada 24 7.1%
5 Russia 7 2.1%
6 Australia 4 1.2%
7 Bulgaria 3 0.9%
8 Hong Kong 3 0.9%
9 Netherlands 1 0.3%
10 Portugal 1 0.3%
11 Romania 1 0.3%
12 France 1 0.3%
13 Singapore 1 0.3%
14 United Kingdom 1 0.3%