BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 55 41.7%
2 United States 36 27.3%
3 Netherlands 9 6.8%
4 Germany 9 6.8%
5 Australia 4 3%
6 Canada 3 2.3%
7 Taiwan 3 2.3%
8 Italy 2 1.5%
9 Ghana 2 1.5%
10 Hong Kong 2 1.5%
11 India 2 1.5%
12 Ireland 1 0.8%
13 Japan 1 0.8%
14 Korea, Republic of 1 0.8%
15 United Kingdom 1 0.8%
16 Singapore 1 0.8%