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 142 31.5%
2 China 95 21.1%
3 Netherlands 58 12.9%
4 Germany 53 11.8%
5 Taiwan 25 5.5%
6 France 23 5.1%
7 Hong Kong 17 3.8%
8 Canada 8 1.8%
9 Portugal 7 1.6%
10 Japan 5 1.1%
11 4 0.9%
12 United Kingdom 4 0.9%
13 Norway 3 0.7%
14 New Zealand 2 0.4%
15 Chile 2 0.4%
16 Bolivia, Plurinational State of 1 0.2%
17 Czech Republic 1 0.2%
18 Ukraine 1 0.2%