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 65 40.9%
2 United States 41 25.8%
3 Netherlands 16 10.1%
4 Japan 5 3.1%
5 5 3.1%
6 Germany 5 3.1%
7 Hong Kong 3 1.9%
8 Canada 3 1.9%
9 Russia 3 1.9%
10 United Kingdom 2 1.3%
11 Nigeria 2 1.3%
12 Australia 2 1.3%
13 Czech Republic 2 1.3%
14 Finland 2 1.3%
15 India 1 0.6%
16 Ireland 1 0.6%
17 Malaysia 1 0.6%