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 72 48.3%
2 United States 28 18.8%
3 Netherlands 13 8.7%
4 Germany 9 6%
5 Taiwan 6 4%
6 France 6 4%
7 Canada 4 2.7%
8 Australia 2 1.3%
9 Czech Republic 2 1.3%
10 Hong Kong 2 1.3%
11 India 2 1.3%
12 Ireland 1 0.7%
13 United Kingdom 1 0.7%
14 Singapore 1 0.7%