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 China 145 42%
2 United States 83 24.1%
3 71 20.6%
4 Germany 13 3.8%
5 France 9 2.6%
6 Hong Kong 7 2%
7 Europe 4 1.2%
8 Canada 3 0.9%
9 United Kingdom 2 0.6%
10 Norway 2 0.6%
11 Philippines 1 0.3%
12 Russia 1 0.3%
13 Virgin Islands, U.S. 1 0.3%
14 India 1 0.3%
15 Japan 1 0.3%
16 Korea, Republic of 1 0.3%