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 31 29.8%
2 United States 24 23.1%
3 Netherlands 16 15.4%
4 Germany 10 9.6%
5 United Kingdom 6 5.8%
6 Hong Kong 4 3.8%
7 France 4 3.8%
8 Taiwan 4 3.8%
9 Russia 2 1.9%
10 Singapore 1 1%
11 Ukraine 1 1%
12 India 1 1%