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 222 47.2%
2 United States 138 29.4%
3 Germany 35 7.4%
4 Hong Kong 16 3.4%
5 Canada 15 3.2%
6 Singapore 13 2.8%
7 Malaysia 7 1.5%
8 Netherlands 7 1.5%
9 Taiwan 5 1.1%
10 Czech Republic 3 0.6%
11 New Zealand 2 0.4%
12 Ukraine 2 0.4%
13 Viet Nam 2 0.4%
14 Poland 1 0.2%
15 Russia 1 0.2%
16 Hungary 1 0.2%