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 298 47.5%
2 China 234 37.3%
3 Germany 28 4.5%
4 Canada 26 4.1%
5 Hong Kong 7 1.1%
6 Turkey 7 1.1%
7 Singapore 7 1.1%
8 Taiwan 5 0.8%
9 Malaysia 4 0.6%
10 Japan 3 0.5%
11 Russia 3 0.5%
12 France 2 0.3%
13 Czech Republic 1 0.2%
14 Netherlands 1 0.2%
15 Italy 1 0.2%
16 Spain 1 0.2%