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 94 36.6%
2 United States 71 27.6%
3 Germany 26 10.1%
4 Netherlands 21 8.2%
5 France 10 3.9%
6 Korea, Republic of 6 2.3%
7 United Kingdom 6 2.3%
8 Russia 6 2.3%
9 Japan 4 1.6%
10 India 2 0.8%
11 Brazil 2 0.8%
12 Singapore 2 0.8%
13 South Africa 1 0.4%
14 Sweden 1 0.4%
15 Taiwan 1 0.4%
16 Ukraine 1 0.4%
17 New Zealand 1 0.4%
18 Philippines 1 0.4%
19 Estonia 1 0.4%