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 482 65.3%
2 United States 125 16.9%
3 Germany 30 4.1%
4 Canada 24 3.3%
5 Taiwan 23 3.1%
6 Singapore 13 1.8%
7 Japan 13 1.8%
8 Malaysia 8 1.1%
9 Netherlands 6 0.8%
10 Hong Kong 6 0.8%
11 Russia 5 0.7%
12 Switzerland 2 0.3%
13 Australia 1 0.1%