BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 184 48.9%
2 United States 90 23.9%
3 Germany 33 8.8%
4 Taiwan 16 4.3%
5 Hong Kong 15 4%
6 Korea, Republic of 8 2.1%
7 United Kingdom 8 2.1%
8 Singapore 6 1.6%
9 Malaysia 5 1.3%
10 Ireland 3 0.8%
11 Japan 3 0.8%
12 Australia 3 0.8%
13 Portugal 1 0.3%
14 Russia 1 0.3%