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 25 30.1%
2 China 21 25.3%
3 Germany 10 12%
4 Netherlands 9 10.8%
5 France 4 4.8%
6 Turkey 4 4.8%
7 Czech Republic 2 2.4%
8 Hong Kong 2 2.4%
9 Malaysia 2 2.4%
10 Norway 1 1.2%
11 Russia 1 1.2%
12 Canada 1 1.2%
13 United Kingdom 1 1.2%