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 251 62.4%
2 United States 61 15.2%
3 Germany 31 7.7%
4 Taiwan 11 2.7%
5 Hong Kong 10 2.5%
6 Russia 7 1.7%
7 United Kingdom 6 1.5%
8 Singapore 5 1.2%
9 Canada 4 1%
10 Malaysia 4 1%
11 Netherlands 3 0.7%
12 New Zealand 2 0.5%
13 Egypt 2 0.5%
14 India 2 0.5%
15 Tunisia 2 0.5%
16 Indonesia 1 0.2%