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 401 43.7%
2 United States 271 29.6%
3 Netherlands 76 8.3%
4 Germany 65 7.1%
5 France 51 5.6%
6 Canada 18 2%
7 Hong Kong 15 1.6%
8 Portugal 6 0.7%
9 United Kingdom 4 0.4%
10 Japan 3 0.3%
11 3 0.3%
12 Norway 2 0.2%
13 Finland 1 0.1%
14 Russia 1 0.1%