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 637 52.5%
2 United States 206 17%
3 Netherlands 180 14.8%
4 Germany 84 6.9%
5 France 38 3.1%
6 Canada 19 1.6%
7 Hong Kong 12 1%
8 Taiwan 6 0.5%
9 Thailand 4 0.3%
10 Singapore 3 0.2%
11 Finland 3 0.2%
12 Japan 3 0.2%
13 Korea, Republic of 2 0.2%
14 Pakistan 2 0.2%
15 Russia 2 0.2%
16 India 2 0.2%
17 Italy 2 0.2%
18 Austria 2 0.2%
19 Denmark 2 0.2%
20 Uganda 2 0.2%
21 Saudi Arabia 1 0.1%
22 Norway 1 0.1%
23 Malaysia 1 0.1%