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 34 34.7%
2 China 22 22.4%
3 Netherlands 13 13.3%
4 Germany 10 10.2%
5 France 5 5.1%
6 Hong Kong 3 3.1%
7 Japan 2 2%
8 Malaysia 2 2%
9 Czech Republic 2 2%
10 Taiwan 2 2%
11 United Kingdom 1 1%
12 Norway 1 1%
13 Russia 1 1%