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 46 34.8%
2 United States 29 22%
3 Netherlands 15 11.4%
4 Germany 10 7.6%
5 Canada 7 5.3%
6 Malaysia 4 3%
7 Russia 4 3%
8 Japan 3 2.3%
9 Korea, Republic of 3 2.3%
10 Australia 3 2.3%
11 Hong Kong 2 1.5%
12 Singapore 2 1.5%
13 United Kingdom 2 1.5%
14 Norway 1 0.8%
15 Belgium 1 0.8%