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 57 46.7%
2 China 18 14.8%
3 Russia 13 10.7%
4 United Kingdom 12 9.8%
5 France 5 4.1%
6 Korea, Republic of 4 3.3%
7 Netherlands 2 1.6%
8 Estonia 2 1.6%
9 India 2 1.6%
10 Ukraine 2 1.6%
11 Turkey 1 0.8%
12 Poland 1 0.8%
13 Germany 1 0.8%
14 Hong Kong 1 0.8%
15 Czech Republic 1 0.8%