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 China 42 32.3%
2 United States 38 29.2%
3 Germany 16 12.3%
4 France 7 5.4%
5 United Kingdom 6 4.6%
6 Russia 6 4.6%
7 Netherlands 4 3.1%
8 Japan 2 1.5%
9 Brazil 2 1.5%
10 Estonia 1 0.8%
11 New Zealand 1 0.8%
12 Philippines 1 0.8%
13 Singapore 1 0.8%
14 South Africa 1 0.8%
15 Taiwan 1 0.8%
16 Ukraine 1 0.8%