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 393 54.4%
2 United States 141 19.5%
3 Netherlands 65 9%
4 Germany 55 7.6%
5 Canada 19 2.6%
6 Argentina 9 1.2%
7 New Zealand 7 1%
8 France 7 1%
9 Korea, Republic of 4 0.6%
10 Hong Kong 4 0.6%
11 India 3 0.4%
12 Denmark 2 0.3%
13 Finland 2 0.3%
14 Norway 2 0.3%
15 Russia 2 0.3%
16 Serbia 2 0.3%
17 Taiwan 2 0.3%
18 Ukraine 1 0.1%
19 Israel 1 0.1%
20 Italy 1 0.1%