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 United States 33 34.7%
2 China 21 22.1%
3 Germany 13 13.7%
4 Netherlands 5 5.3%
5 Hong Kong 4 4.2%
6 France 3 3.2%
7 Australia 3 3.2%
8 Canada 3 3.2%
9 Malaysia 3 3.2%
10 Taiwan 2 2.1%
11 New Zealand 2 2.1%
12 Singapore 1 1.1%
13 Japan 1 1.1%
14 United Kingdom 1 1.1%