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 326 62.9%
2 United States 72 13.9%
3 Germany 29 5.6%
4 Hong Kong 28 5.4%
5 Taiwan 27 5.2%
6 Japan 17 3.3%
7 Russia 5 1%
8 Singapore 2 0.4%
9 South Africa 2 0.4%
10 Australia 2 0.4%
11 Viet Nam 2 0.4%
12 Indonesia 2 0.4%
13 Korea, Republic of 1 0.2%
14 Malaysia 1 0.2%
15 Netherlands 1 0.2%
16 Portugal 1 0.2%