BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 25 32.1%
2 China 22 28.2%
3 Germany 9 11.5%
4 France 5 6.4%
5 Canada 4 5.1%
6 Czech Republic 3 3.8%
7 India 3 3.8%
8 Hong Kong 2 2.6%
9 Turkey 2 2.6%
10 Ukraine 1 1.3%
11 United Kingdom 1 1.3%
12 Russia 1 1.3%