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 China 52 38.8%
2 United States 30 22.4%
3 Netherlands 19 14.2%
4 Hong Kong 13 9.7%
5 Germany 7 5.2%
6 Canada 3 2.2%
7 Taiwan 3 2.2%
8 United Kingdom 2 1.5%
9 Australia 2 1.5%
10 Malaysia 1 0.7%
11 Portugal 1 0.7%
12 Singapore 1 0.7%