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 50 37.3%
2 United States 50 37.3%
3 Germany 13 9.7%
4 Netherlands 8 6%
5 Hong Kong 3 2.2%
6 Norway 2 1.5%
7 Canada 2 1.5%
8 New Zealand 1 0.7%
9 Portugal 1 0.7%
10 Spain 1 0.7%
11 Taiwan 1 0.7%
12 Japan 1 0.7%
13 Malaysia 1 0.7%