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
1 299 56.1%
2 China 99 18.6%
3 United States 88 16.5%
4 Germany 16 3%
5 France 15 2.8%
6 Czech Republic 4 0.8%
7 Canada 3 0.6%
8 India 2 0.4%
9 Russia 2 0.4%
10 Taiwan 1 0.2%
11 United Kingdom 1 0.2%
12 Philippines 1 0.2%
13 Croatia 1 0.2%
14 Hong Kong 1 0.2%