BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 39 40.2%
2 Netherlands 19 19.6%
3 United States 19 19.6%
4 Sweden 7 7.2%
5 Russia 4 4.1%
6 Germany 4 4.1%
7 Czech Republic 2 2.1%
8 Singapore 2 2.1%
9 Hong Kong 1 1%