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 246 48.5%
2 United States 154 30.4%
3 Germany 40 7.9%
4 Hong Kong 19 3.7%
5 Canada 13 2.6%
6 Singapore 8 1.6%
7 Australia 7 1.4%
8 Malaysia 3 0.6%
9 United Kingdom 3 0.6%
10 Taiwan 2 0.4%
11 Russia 2 0.4%
12 Netherlands 2 0.4%
13 Brazil 2 0.4%
14 Czech Republic 2 0.4%
15 France 2 0.4%
16 New Zealand 1 0.2%
17 Japan 1 0.2%