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 United States 34 34.7%
2 China 18 18.4%
3 Netherlands 13 13.3%
4 Canada 10 10.2%
5 Korea, Republic of 8 8.2%
6 Hong Kong 3 3.1%
7 United Kingdom 3 3.1%
8 New Zealand 2 2%
9 India 2 2%
10 Macao 2 2%
11 Australia 1 1%
12 Greece 1 1%
13 Singapore 1 1%