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 54 41.2%
2 United States 30 22.9%
3 Netherlands 10 7.6%
4 Spain 6 4.6%
5 United Kingdom 6 4.6%
6 Germany 5 3.8%
7 Canada 4 3.1%
8 Malaysia 4 3.1%
9 Australia 3 2.3%
10 Hong Kong 3 2.3%
11 France 2 1.5%
12 Korea, Republic of 1 0.8%
13 Singapore 1 0.8%
14 Sweden 1 0.8%
15 Switzerland 1 0.8%