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 35 36.1%
2 United States 25 25.8%
3 Netherlands 16 16.5%
4 Germany 8 8.2%
5 Hong Kong 4 4.1%
6 Taiwan 2 2.1%
7 2 2.1%
8 United Kingdom 1 1%
9 Portugal 1 1%
10 India 1 1%
11 Ireland 1 1%
12 Korea, Republic of 1 1%