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 450 52.9%
2 Netherlands 150 17.6%
3 United States 130 15.3%
4 Germany 54 6.3%
5 Canada 15 1.8%
6 Russia 9 1.1%
7 Ukraine 5 0.6%
8 United Kingdom 5 0.6%
9 Sweden 4 0.5%
10 India 4 0.5%
11 France 4 0.5%
12 Hong Kong 3 0.4%
13 Japan 3 0.4%
14 Ireland 2 0.2%
15 Serbia 2 0.2%
16 Norway 2 0.2%
17 Brazil 2 0.2%
18 Thailand 2 0.2%
19 Turkey 2 0.2%
20 Albania 1 0.1%
21 Belgium 1 0.1%
22 Korea, Republic of 1 0.1%