BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 64 66.7%
2 Germany 12 12.5%
3 China 5 5.2%
4 France 3 3.1%
5 South Africa 3 3.1%
6 Taiwan 3 3.1%
7 Canada 2 2.1%
8 Singapore 2 2.1%
9 Hong Kong 1 1%
10 Malaysia 1 1%