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 United States 278 38.1%
2 China 172 23.6%
3 Netherlands 112 15.4%
4 Germany 57 7.8%
5 France 52 7.1%
6 Canada 16 2.2%
7 Hong Kong 12 1.6%
8 6 0.8%
9 Portugal 6 0.8%
10 Malaysia 3 0.4%
11 Ukraine 3 0.4%
12 Moldova, Republic of 2 0.3%
13 Norway 2 0.3%
14 Russia 1 0.1%
15 Sweden 1 0.1%
16 Mexico 1 0.1%
17 Australia 1 0.1%
18 Finland 1 0.1%
19 Hungary 1 0.1%
20 Japan 1 0.1%
21 United Kingdom 1 0.1%