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 52 34%
2 China 45 29.4%
3 Netherlands 20 13.1%
4 Germany 14 9.2%
5 Taiwan 8 5.2%
6 Hong Kong 3 2%
7 France 3 2%
8 Malaysia 2 1.3%
9 Canada 2 1.3%
10 United Kingdom 1 0.7%
11 New Zealand 1 0.7%
12 Portugal 1 0.7%
13 Singapore 1 0.7%