BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 366 70.1%
2 United States 111 21.3%
3 China 28 5.4%
4 France 6 1.1%
5 Germany 6 1.1%
6 Hong Kong 1 0.2%
7 Netherlands 1 0.2%
8 Russia 1 0.2%
9 United Kingdom 1 0.2%
10 Australia 1 0.2%