BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 53 31.7%
2 United States 28 16.8%
3 Netherlands 27 16.2%
4 Germany 14 8.4%
5 Taiwan 12 7.2%
6 France 9 5.4%
7 Hong Kong 8 4.8%
8 Malaysia 6 3.6%
9 Czech Republic 5 3%
10 United Kingdom 2 1.2%
11 Canada 1 0.6%
12 Japan 1 0.6%
13 Singapore 1 0.6%