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 141 63.8%
2 United States 49 22.2%
3 Germany 8 3.6%
4 Hong Kong 6 2.7%
5 Japan 4 1.8%
6 Australia 3 1.4%
7 Taiwan 3 1.4%
8 United Kingdom 3 1.4%
9 Singapore 2 0.9%
10 Portugal 1 0.5%
11 Russia 1 0.5%