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 382 67.3%
2 United States 71 12.5%
3 Germany 41 7.2%
4 Hong Kong 29 5.1%
5 Taiwan 24 4.2%
6 Netherlands 7 1.2%
7 New Zealand 4 0.7%
8 Russia 2 0.4%
9 Singapore 2 0.4%
10 Switzerland 2 0.4%
11 Norway 1 0.2%
12 Italy 1 0.2%
13 Korea, Republic of 1 0.2%
14 Viet Nam 1 0.2%