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 United States 151 57.9%
2 China 51 19.5%
3 Germany 14 5.4%
4 Netherlands 10 3.8%
5 Japan 7 2.7%
6 Canada 5 1.9%
7 Malaysia 4 1.5%
8 Australia 3 1.1%
9 Hong Kong 3 1.1%
10 United Kingdom 3 1.1%
11 France 2 0.8%
12 Taiwan 2 0.8%
13 Viet Nam 1 0.4%
14 Macao 1 0.4%
15 Philippines 1 0.4%
16 Singapore 1 0.4%
17 India 1 0.4%
18 Iraq 1 0.4%