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 42 44.2%
2 United States 23 24.2%
3 Netherlands 7 7.4%
4 Germany 6 6.3%
5 Hong Kong 6 6.3%
6 Taiwan 3 3.2%
7 France 2 2.1%
8 Canada 2 2.1%
9 Malaysia 1 1.1%
10 United Kingdom 1 1.1%
11 Portugal 1 1.1%
12 Russia 1 1.1%