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 274 54.3%
2 United States 120 23.8%
3 Germany 37 7.3%
4 Canada 33 6.5%
5 Hong Kong 13 2.6%
6 Singapore 7 1.4%
7 United Kingdom 4 0.8%
8 France 3 0.6%
9 Taiwan 3 0.6%
10 Australia 3 0.6%
11 Czech Republic 2 0.4%
12 Japan 1 0.2%
13 Macao 1 0.2%
14 Malaysia 1 0.2%
15 Netherlands 1 0.2%
16 Russia 1 0.2%
17 Viet Nam 1 0.2%