BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 774 87.7%
2 United States 53 6%
3 China 28 3.2%
4 Germany 7 0.8%
5 Taiwan 5 0.6%
6 Ukraine 2 0.2%
7 United Kingdom 2 0.2%
8 Colombia 2 0.2%
9 France 2 0.2%
10 Canada 2 0.2%
11 Chile 2 0.2%
12 Hong Kong 1 0.1%
13 Malaysia 1 0.1%
14 Nigeria 1 0.1%
15 Russia 1 0.1%