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 370 49.8%
2 United States 180 24.2%
3 Netherlands 95 12.8%
4 Germany 49 6.6%
5 Canada 19 2.6%
6 France 5 0.7%
7 United Kingdom 2 0.3%
8 Switzerland 2 0.3%
9 Taiwan 2 0.3%
10 Ukraine 2 0.3%
11 Hong Kong 2 0.3%
12 Korea, Republic of 2 0.3%
13 Macao 2 0.3%
14 Singapore 2 0.3%
15 Sweden 1 0.1%
16 Norway 1 0.1%
17 Romania 1 0.1%
18 Russia 1 0.1%
19 India 1 0.1%
20 Ireland 1 0.1%
21 Albania 1 0.1%
22 Finland 1 0.1%
23 United Arab Emirates 1 0.1%