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 93 47.7%
2 China 29 14.9%
3 Netherlands 18 9.2%
4 Germany 10 5.1%
5 Canada 8 4.1%
6 United Kingdom 7 3.6%
7 Hong Kong 7 3.6%
8 Singapore 4 2.1%
9 Japan 3 1.5%
10 Taiwan 3 1.5%
11 New Zealand 2 1%
12 Australia 2 1%
13 1 0.5%
14 Czech Republic 1 0.5%
15 Ireland 1 0.5%
16 Italy 1 0.5%
17 Portugal 1 0.5%
18 Russia 1 0.5%
19 Korea, Republic of 1 0.5%
20 Slovakia 1 0.5%
21 South Africa 1 0.5%