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 52 34.9%
2 United States 20 13.4%
3 Netherlands 19 12.8%
4 Singapore 15 10.1%
5 Russia 11 7.4%
6 France 11 7.4%
7 Germany 8 5.4%
8 Malaysia 8 5.4%
9 Hong Kong 2 1.3%
10 Sweden 2 1.3%
11 Czech Republic 1 0.7%