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 22 23.4%
2 United States 22 23.4%
3 Netherlands 18 19.1%
4 Germany 10 10.6%
5 Taiwan 7 7.4%
6 United Kingdom 5 5.3%
7 Hong Kong 3 3.2%
8 Russia 2 2.1%
9 Indonesia 2 2.1%
10 Brazil 1 1.1%
11 India 1 1.1%
12 France 1 1.1%