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 204 42.5%
2 China 111 23.1%
3 Germany 60 12.5%
4 Netherlands 52 10.8%
5 France 21 4.4%
6 Hong Kong 14 2.9%
7 Portugal 8 1.7%
8 5 1%
9 Bosnia and Herzegovina 1 0.2%
10 Canada 1 0.2%
11 Russia 1 0.2%
12 United Kingdom 1 0.2%
13 Malaysia 1 0.2%