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 United States 165 41.2%
2 China 136 34%
3 Germany 31 7.8%
4 Canada 14 3.5%
5 Taiwan 12 3%
6 Netherlands 6 1.5%
7 India 5 1.2%
8 Ireland 5 1.2%
9 Hong Kong 4 1%
10 United Kingdom 4 1%
11 Singapore 4 1%
12 Russia 3 0.8%
13 Chile 3 0.8%
14 France 3 0.8%
15 Italy 2 0.5%
16 Malaysia 2 0.5%
17 Australia 1 0.2%