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 45 34.1%
2 United States 32 24.2%
3 China 18 13.6%
4 Germany 11 8.3%
5 Korea, Republic of 8 6.1%
6 Australia 7 5.3%
7 United Kingdom 3 2.3%
8 Hong Kong 2 1.5%
9 France 2 1.5%
10 New Zealand 1 0.8%
11 Russia 1 0.8%
12 Taiwan 1 0.8%
13 Italy 1 0.8%