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 202 39.1%
2 China 141 27.3%
3 Netherlands 63 12.2%
4 Germany 44 8.5%
5 France 23 4.4%
6 Hong Kong 10 1.9%
7 Canada 7 1.4%
8 Portugal 7 1.4%
9 Norway 4 0.8%
10 Taiwan 4 0.8%
11 4 0.8%
12 Ukraine 3 0.6%
13 Japan 2 0.4%
14 Ireland 1 0.2%
15 Australia 1 0.2%
16 Singapore 1 0.2%