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 42.6%
2 China 23 22.8%
3 Australia 4 4%
4 Taiwan 4 4%
5 Germany 4 4%
6 Hong Kong 4 4%
7 Canada 3 3%
8 Japan 3 3%
9 Korea, Republic of 3 3%
10 Malaysia 3 3%
11 Singapore 2 2%
12 Spain 1 1%
13 Switzerland 1 1%
14 Indonesia 1 1%
15 Serbia 1 1%
16 France 1 1%