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 352 48.4%
2 United States 169 23.2%
3 Netherlands 99 13.6%
4 Germany 50 6.9%
5 Hong Kong 9 1.2%
6 Canada 9 1.2%
7 France 6 0.8%
8 Taiwan 6 0.8%
9 Japan 5 0.7%
10 United Kingdom 3 0.4%
11 Viet Nam 3 0.4%
12 Singapore 2 0.3%
13 New Zealand 2 0.3%
14 Philippines 2 0.3%
15 Australia 2 0.3%
16 Austria 2 0.3%
17 India 2 0.3%
18 Israel 2 0.3%
19 Saudi Arabia 1 0.1%
20 Korea, Republic of 1 0.1%
21 Mexico 1 0.1%