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 186 55%
2 United States 87 25.7%
3 Germany 32 9.5%
4 Hong Kong 6 1.8%
5 India 5 1.5%
6 Singapore 4 1.2%
7 Canada 4 1.2%
8 United Kingdom 4 1.2%
9 Korea, Republic of 3 0.9%
10 Malaysia 2 0.6%
11 Australia 2 0.6%
12 Austria 1 0.3%
13 Switzerland 1 0.3%
14 Portugal 1 0.3%