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 69 41.8%
2 Netherlands 28 17%
3 United States 22 13.3%
4 Germany 14 8.5%
5 France 10 6.1%
6 Russia 8 4.8%
7 United Kingdom 3 1.8%
8 Malaysia 2 1.2%
9 Poland 2 1.2%
10 Czech Republic 2 1.2%
11 Finland 2 1.2%
12 Brazil 1 0.6%
13 Canada 1 0.6%
14 Portugal 1 0.6%