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 287 67.1%
2 United States 64 15%
3 Germany 36 8.4%
4 Canada 10 2.3%
5 Hong Kong 9 2.1%
6 Netherlands 8 1.9%
7 Singapore 4 0.9%
8 Switzerland 2 0.5%
9 Taiwan 2 0.5%
10 Russia 2 0.5%
11 Viet Nam 1 0.2%
12 New Zealand 1 0.2%
13 Australia 1 0.2%
14 Macao 1 0.2%