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 64 47.1%
2 United States 41 30.1%
3 Germany 8 5.9%
4 Hong Kong 7 5.1%
5 Singapore 4 2.9%
6 Canada 3 2.2%
7 Kazakhstan 2 1.5%
8 Malaysia 1 0.7%
9 New Zealand 1 0.7%
10 Portugal 1 0.7%
11 Russia 1 0.7%
12 1 0.7%
13 France 1 0.7%
14 Taiwan 1 0.7%