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 206 51.5%
2 United States 66 16.5%
3 Germany 44 11%
4 Netherlands 34 8.5%
5 Taiwan 14 3.5%
6 Hong Kong 12 3%
7 Malaysia 9 2.2%
8 Japan 5 1.2%
9 France 3 0.8%
10 Mauritius 2 0.5%
11 Sweden 2 0.5%
12 United Kingdom 2 0.5%
13 Australia 1 0.2%