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 244 55.8%
2 United States 110 25.2%
3 Germany 34 7.8%
4 Hong Kong 11 2.5%
5 Singapore 9 2.1%
6 Taiwan 8 1.8%
7 Canada 5 1.1%
8 Norway 4 0.9%
9 Malaysia 4 0.9%
10 Finland 2 0.5%
11 India 2 0.5%
12 Macao 1 0.2%
13 Australia 1 0.2%
14 Netherlands 1 0.2%
15 South Africa 1 0.2%