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
1 639 76.5%
2 United States 87 10.4%
3 China 69 8.3%
4 Germany 13 1.6%
5 France 6 0.7%
6 Hong Kong 5 0.6%
7 United Kingdom 3 0.4%
8 Norway 3 0.4%
9 Taiwan 2 0.2%
10 India 2 0.2%
11 Japan 2 0.2%
12 Korea, Republic of 1 0.1%
13 Australia 1 0.1%
14 Togo 1 0.1%
15 Russia 1 0.1%