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 United States 72 43.6%
2 China 53 32.1%
3 Germany 14 8.5%
4 Hong Kong 9 5.5%
5 Singapore 6 3.6%
6 Japan 2 1.2%
7 Malaysia 2 1.2%
8 Canada 2 1.2%
9 Portugal 1 0.6%
10 Russia 1 0.6%
11 Turkey 1 0.6%
12 United Kingdom 1 0.6%
13 France 1 0.6%