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 216 42%
2 China 119 23.2%
3 Netherlands 59 11.5%
4 Germany 39 7.6%
5 France 24 4.7%
6 Hong Kong 18 3.5%
7 Canada 12 2.3%
8 Portugal 7 1.4%
9 Taiwan 5 1%
10 4 0.8%
11 Malaysia 3 0.6%
12 Norway 3 0.6%
13 Brazil 2 0.4%
14 Singapore 2 0.4%
15 Ukraine 1 0.2%