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 69 41.1%
2 United States 51 30.4%
3 Germany 14 8.3%
4 Hong Kong 8 4.8%
5 Portugal 5 3%
6 United Kingdom 4 2.4%
7 Senegal 3 1.8%
8 Australia 3 1.8%
9 Canada 2 1.2%
10 Taiwan 2 1.2%
11 Ukraine 2 1.2%
12 Singapore 1 0.6%
13 Russia 1 0.6%
14 France 1 0.6%
15 Korea, Republic of 1 0.6%
16 Malaysia 1 0.6%