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 China 154 64.4%
2 United States 49 20.5%
3 Netherlands 13 5.4%
4 Germany 7 2.9%
5 Hong Kong 6 2.5%
6 Taiwan 5 2.1%
7 United Kingdom 1 0.4%
8 Portugal 1 0.4%
9 Malaysia 1 0.4%
10 France 1 0.4%
11 Australia 1 0.4%