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 142 56.1%
2 United States 51 20.2%
3 Germany 14 5.5%
4 Hong Kong 13 5.1%
5 Taiwan 7 2.8%
6 Malaysia 5 2%
7 New Zealand 5 2%
8 Portugal 5 2%
9 Senegal 3 1.2%
10 Canada 2 0.8%
11 Korea, Republic of 2 0.8%
12 France 2 0.8%
13 Russia 1 0.4%
14 United Kingdom 1 0.4%