BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 91 62.8%
2 United States 31 21.4%
3 Germany 7 4.8%
4 Hong Kong 3 2.1%
5 Taiwan 3 2.1%
6 United Kingdom 2 1.4%
7 Japan 2 1.4%
8 Malaysia 1 0.7%
9 Portugal 1 0.7%
10 Russia 1 0.7%
11 Singapore 1 0.7%
12 Spain 1 0.7%
13 France 1 0.7%