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 316 52.8%
2 United States 134 22.4%
3 Germany 37 6.2%
4 Taiwan 24 4%
5 Japan 21 3.5%
6 Canada 14 2.3%
7 Hong Kong 12 2%
8 Russia 10 1.7%
9 Ireland 9 1.5%
10 Singapore 5 0.8%
11 Netherlands 5 0.8%
12 France 2 0.3%
13 2 0.3%
14 Brazil 2 0.3%
15 Bulgaria 2 0.3%
16 Australia 1 0.2%
17 Malaysia 1 0.2%
18 United Kingdom 1 0.2%