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 189 68.2%
2 United States 58 20.9%
3 Germany 8 2.9%
4 Hong Kong 6 2.2%
5 Taiwan 4 1.4%
6 United Kingdom 2 0.7%
7 Netherlands 2 0.7%
8 Japan 2 0.7%
9 Australia 2 0.7%
10 1 0.4%
11 France 1 0.4%
12 Malaysia 1 0.4%
13 Portugal 1 0.4%