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 316 63.2%
2 United States 106 21.2%
3 Germany 30 6%
4 Netherlands 19 3.8%
5 Ireland 10 2%
6 Australia 4 0.8%
7 Azerbaijan 2 0.4%
8 Canada 2 0.4%
9 Korea, Republic of 2 0.4%
10 Hong Kong 2 0.4%
11 India 2 0.4%
12 Switzerland 2 0.4%
13 Turkey 1 0.2%
14 United Kingdom 1 0.2%
15 Singapore 1 0.2%