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 25 38.5%
2 China 12 18.5%
3 Germany 9 13.8%
4 France 4 6.2%
5 Italy 3 4.6%
6 Colombia 2 3.1%
7 Poland 2 3.1%
8 Russia 2 3.1%
9 Singapore 1 1.5%
10 Spain 1 1.5%
11 Egypt 1 1.5%
12 Australia 1 1.5%
13 Korea, Republic of 1 1.5%
14 New Zealand 1 1.5%