BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 40 30.3%
2 China 33 25%
3 Netherlands 24 18.2%
4 Germany 16 12.1%
5 Hong Kong 10 7.6%
6 Korea, Republic of 2 1.5%
7 Australia 2 1.5%
8 Canada 2 1.5%
9 France 1 0.8%
10 Malaysia 1 0.8%
11 Portugal 1 0.8%