BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 49 40.5%
2 China 16 13.2%
3 Chile 13 10.7%
4 Netherlands 11 9.1%
5 Denmark 6 5%
6 France 6 5%
7 Russia 5 4.1%
8 Brazil 4 3.3%
9 Germany 3 2.5%
10 Japan 2 1.7%
11 Korea, Republic of 2 1.7%
12 Morocco 1 0.8%
13 Canada 1 0.8%
14 Poland 1 0.8%
15 Sweden 1 0.8%