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 64 47.1%
2 United States 31 22.8%
3 Netherlands 9 6.6%
4 Singapore 9 6.6%
5 Hong Kong 4 2.9%
6 Malaysia 4 2.9%
7 Canada 3 2.2%
8 France 3 2.2%
9 Taiwan 3 2.2%
10 Germany 2 1.5%
11 Japan 2 1.5%
12 Guinea 1 0.7%
13 New Zealand 1 0.7%