BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 16 32.7%
2 United States 8 16.3%
3 Norway 5 10.2%
4 Hong Kong 4 8.2%
5 Netherlands 4 8.2%
6 United Kingdom 2 4.1%
7 Italy 2 4.1%
8 Japan 2 4.1%
9 Spain 2 4.1%
10 Germany 2 4.1%
11 Taiwan 1 2%
12 Malaysia 1 2%