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 611 55.1%
2 United States 234 21.1%
3 Netherlands 92 8.3%
4 Germany 77 6.9%
5 France 33 3%
6 Canada 16 1.4%
7 Singapore 10 0.9%
8 Hong Kong 9 0.8%
9 India 7 0.6%
10 United Kingdom 3 0.3%
11 Norway 3 0.3%
12 Russia 3 0.3%
13 Japan 3 0.3%
14 Bahrain 2 0.2%
15 Australia 2 0.2%
16 Austria 1 0.1%
17 Ireland 1 0.1%
18 Korea, Republic of 1 0.1%