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 166 48.7%
2 United States 62 18.2%
3 Germany 43 12.6%
4 Hong Kong 21 6.2%
5 Netherlands 13 3.8%
6 Canada 9 2.6%
7 Japan 6 1.8%
8 Switzerland 6 1.8%
9 Taiwan 5 1.5%
10 Australia 3 0.9%
11 United Kingdom 2 0.6%
12 Spain 2 0.6%
13 Macao 1 0.3%
14 Malaysia 1 0.3%
15 India 1 0.3%