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 30 36.6%
2 China 17 20.7%
3 Germany 12 14.6%
4 France 5 6.1%
5 Mexico 4 4.9%
6 Korea, Republic of 2 2.4%
7 Lebanon 2 2.4%
8 India 2 2.4%
9 Russia 2 2.4%
10 United Kingdom 2 2.4%
11 Japan 1 1.2%
12 Costa Rica 1 1.2%
13 Moldova, Republic of 1 1.2%
14 Portugal 1 1.2%