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 261 66.6%
2 United States 52 13.3%
3 Netherlands 17 4.3%
4 Germany 13 3.3%
5 Hong Kong 12 3.1%
6 United Kingdom 9 2.3%
7 Portugal 5 1.3%
8 Malaysia 4 1%
9 Canada 4 1%
10 Japan 3 0.8%
11 Senegal 3 0.8%
12 Taiwan 2 0.5%
13 Ukraine 1 0.3%
14 Singapore 1 0.3%
15 Sweden 1 0.3%
16 Russia 1 0.3%
17 Norway 1 0.3%
18 Italy 1 0.3%
19 Czech Republic 1 0.3%