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 171 46.7%
2 China 130 35.5%
3 Netherlands 13 3.6%
4 Hong Kong 12 3.3%
5 Germany 11 3%
6 United Kingdom 8 2.2%
7 Japan 4 1.1%
8 Australia 4 1.1%
9 Belgium 2 0.5%
10 Spain 2 0.5%
11 Russia 2 0.5%
12 Singapore 1 0.3%
13 New Zealand 1 0.3%
14 Portugal 1 0.3%
15 Taiwan 1 0.3%
16 Brazil 1 0.3%
17 Canada 1 0.3%
18 Ireland 1 0.3%