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 96 48%
2 United States 38 19%
3 Taiwan 20 10%
4 Germany 20 10%
5 Hong Kong 7 3.5%
6 United Kingdom 6 3%
7 Russia 3 1.5%
8 France 2 1%
9 Japan 2 1%
10 Korea, Republic of 1 0.5%
11 Malaysia 1 0.5%
12 Moldova, Republic of 1 0.5%
13 Portugal 1 0.5%
14 Singapore 1 0.5%
15 Canada 1 0.5%