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 222 46.7%
2 China 81 17.1%
3 Netherlands 80 16.8%
4 Germany 39 8.2%
5 France 21 4.4%
6 Hong Kong 8 1.7%
7 Portugal 6 1.3%
8 Canada 6 1.3%
9 Colombia 4 0.8%
10 Senegal 3 0.6%
11 Taiwan 3 0.6%
12 1 0.2%
13 Russia 1 0.2%