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 509 54.6%
2 United States 142 15.2%
3 Netherlands 137 14.7%
4 Taiwan 41 4.4%
5 Germany 41 4.4%
6 Canada 13 1.4%
7 France 12 1.3%
8 Malaysia 9 1%
9 Singapore 8 0.9%
10 Hong Kong 6 0.6%
11 Australia 4 0.4%
12 United Kingdom 3 0.3%
13 India 2 0.2%
14 Ireland 2 0.2%
15 Japan 2 0.2%
16 Estonia 1 0.1%
17 Nigeria 1 0.1%