BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 660 77.3%
2 China 103 12.1%
3 United States 55 6.4%
4 United Kingdom 10 1.2%
5 Japan 4 0.5%
6 Canada 4 0.5%
7 Hong Kong 4 0.5%
8 Germany 3 0.4%
9 Taiwan 3 0.4%
10 Singapore 2 0.2%
11 Spain 1 0.1%
12 Romania 1 0.1%
13 Russia 1 0.1%
14 Italy 1 0.1%
15 France 1 0.1%
16 Australia 1 0.1%