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 188 48.6%
2 China 56 14.5%
3 Netherlands 46 11.9%
4 Germany 45 11.6%
5 France 21 5.4%
6 Hong Kong 9 2.3%
7 Canada 6 1.6%
8 Portugal 6 1.6%
9 Norway 3 0.8%
10 3 0.8%
11 Japan 1 0.3%
12 Korea, Republic of 1 0.3%
13 Taiwan 1 0.3%
14 New Zealand 1 0.3%