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 128 47.6%
2 United States 72 26.8%
3 Germany 12 4.5%
4 Netherlands 10 3.7%
5 Taiwan 9 3.3%
6 Hong Kong 8 3%
7 Japan 6 2.2%
8 United Kingdom 6 2.2%
9 Canada 5 1.9%
10 Belgium 3 1.1%
11 Korea, Republic of 2 0.7%
12 Switzerland 2 0.7%
13 Portugal 2 0.7%
14 Singapore 1 0.4%
15 Norway 1 0.4%
16 Ukraine 1 0.4%
17 Italy 1 0.4%