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 23 50%
2 United States 8 17.4%
3 Netherlands 5 10.9%
4 Russia 2 4.3%
5 Singapore 2 4.3%
6 Czech Republic 2 4.3%
7 Hong Kong 2 4.3%
8 Malaysia 1 2.2%
9 Germany 1 2.2%