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 54.7%
2 United States 96 25.3%
3 Germany 42 11.1%
4 Taiwan 8 2.1%
5 Singapore 7 1.8%
6 Australia 6 1.6%
7 France 3 0.8%
8 Malaysia 3 0.8%
9 Netherlands 2 0.5%
10 Indonesia 2 0.5%
11 United Kingdom 1 0.3%
12 Hong Kong 1 0.3%
13 Bulgaria 1 0.3%