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 30 31.6%
2 China 21 22.1%
3 Netherlands 14 14.7%
4 Canada 8 8.4%
5 Germany 5 5.3%
6 Malaysia 4 4.2%
7 Hong Kong 3 3.2%
8 India 2 2.1%
9 Australia 2 2.1%
10 Taiwan 2 2.1%
11 United Kingdom 2 2.1%
12 Russia 1 1.1%
13 Singapore 1 1.1%