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 561 57.4%
2 United States 158 16.2%
3 Netherlands 114 11.7%
4 Germany 70 7.2%
5 Sweden 17 1.7%
6 Canada 15 1.5%
7 Taiwan 8 0.8%
8 United Kingdom 5 0.5%
9 France 5 0.5%
10 India 4 0.4%
11 Hong Kong 3 0.3%
12 3 0.3%
13 Finland 2 0.2%
14 Korea, Republic of 2 0.2%
15 Norway 2 0.2%
16 Malaysia 2 0.2%
17 Mauritius 1 0.1%
18 Philippines 1 0.1%
19 Macao 1 0.1%
20 Israel 1 0.1%
21 Japan 1 0.1%
22 Denmark 1 0.1%
23 Ukraine 1 0.1%