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 32.8%
2 United States 51 26.2%
3 Singapore 31 15.9%
4 Netherlands 16 8.2%
5 Germany 8 4.1%
6 Hong Kong 7 3.6%
7 Canada 5 2.6%
8 United Kingdom 4 2.1%
9 Australia 3 1.5%
10 Japan 2 1%
11 Korea, Republic of 1 0.5%
12 Malaysia 1 0.5%
13 France 1 0.5%
14 Portugal 1 0.5%