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 143 42.4%
2 United States 121 35.9%
3 Germany 41 12.2%
4 Hong Kong 5 1.5%
5 Taiwan 5 1.5%
6 Malaysia 4 1.2%
7 Netherlands 4 1.2%
8 Russia 4 1.2%
9 Singapore 2 0.6%
10 Sweden 2 0.6%
11 India 2 0.6%
12 United Kingdom 2 0.6%
13 Panama 1 0.3%
14 Switzerland 1 0.3%