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 85 49.4%
2 United States 26 15.1%
3 Netherlands 12 7%
4 Canada 12 7%
5 Germany 5 2.9%
6 Portugal 5 2.9%
7 Russia 4 2.3%
8 Hong Kong 4 2.3%
9 Italy 4 2.3%
10 Japan 4 2.3%
11 Sweden 3 1.7%
12 New Zealand 2 1.2%
13 Norway 1 0.6%
14 Singapore 1 0.6%
15 Ukraine 1 0.6%
16 Malaysia 1 0.6%
17 Australia 1 0.6%
18 Finland 1 0.6%