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 256 63.1%
2 United States 62 15.3%
3 Germany 37 9.1%
4 Taiwan 16 3.9%
5 Malaysia 9 2.2%
6 Hong Kong 5 1.2%
7 Japan 5 1.2%
8 Canada 4 1%
9 France 3 0.7%
10 Netherlands 2 0.5%
11 Russia 2 0.5%
12 Singapore 2 0.5%
13 Latvia 1 0.2%
14 Macao 1 0.2%
15 Viet Nam 1 0.2%