BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 70 43.8%
2 United States 38 23.8%
3 Germany 19 11.9%
4 Netherlands 15 9.4%
5 Hong Kong 3 1.9%
6 Canada 3 1.9%
7 Viet Nam 2 1.2%
8 Italy 2 1.2%
9 Czech Republic 2 1.2%
10 New Zealand 2 1.2%
11 Portugal 1 0.6%
12 Russia 1 0.6%
13 Ukraine 1 0.6%
14 United Kingdom 1 0.6%