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
1 276 55.3%
2 United States 100 20%
3 China 64 12.8%
4 Germany 20 4%
5 France 13 2.6%
6 United Kingdom 7 1.4%
7 Canada 4 0.8%
8 Czech Republic 3 0.6%
9 Norway 3 0.6%
10 India 2 0.4%
11 Australia 2 0.4%
12 Hong Kong 1 0.2%
13 Japan 1 0.2%
14 Korea, Republic of 1 0.2%
15 Philippines 1 0.2%
16 Taiwan 1 0.2%