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 32 43.2%
2 United States 15 20.3%
3 Germany 6 8.1%
4 Netherlands 4 5.4%
5 Singapore 3 4.1%
6 Canada 3 4.1%
7 Malaysia 3 4.1%
8 United Kingdom 2 2.7%
9 Hong Kong 2 2.7%
10 Japan 2 2.7%
11 Australia 1 1.4%
12 Taiwan 1 1.4%