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 75 44.1%
2 United States 53 31.2%
3 Netherlands 19 11.2%
4 Germany 8 4.7%
5 Hong Kong 4 2.4%
6 Japan 3 1.8%
7 Taiwan 3 1.8%
8 United Kingdom 1 0.6%
9 1 0.6%
10 Portugal 1 0.6%
11 Russia 1 0.6%
12 Singapore 1 0.6%