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 United States 43 45.7%
2 China 19 20.2%
3 Germany 8 8.5%
4 Russia 4 4.3%
5 Singapore 4 4.3%
6 United Kingdom 3 3.2%
7 Hong Kong 3 3.2%
8 France 3 3.2%
9 New Zealand 3 3.2%
10 Malaysia 1 1.1%
11 Estonia 1 1.1%
12 Australia 1 1.1%
13 Canada 1 1.1%