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 208 46.6%
2 United States 132 29.6%
3 Germany 30 6.7%
4 Hong Kong 26 5.8%
5 Taiwan 15 3.4%
6 Russia 8 1.8%
7 India 6 1.3%
8 Singapore 5 1.1%
9 Norway 4 0.9%
10 France 3 0.7%
11 Canada 3 0.7%
12 Finland 2 0.4%
13 Mexico 2 0.4%
14 Australia 1 0.2%
15 Malaysia 1 0.2%