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 82 49.7%
2 United States 27 16.4%
3 Netherlands 16 9.7%
4 Germany 12 7.3%
5 Singapore 6 3.6%
6 Ireland 5 3%
7 Belarus 5 3%
8 Sweden 4 2.4%
9 Macao 2 1.2%
10 Canada 2 1.2%
11 France 2 1.2%
12 Japan 1 0.6%
13 India 1 0.6%