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 18 38.3%
2 China 10 21.3%
3 Canada 4 8.5%
4 France 3 6.4%
5 Netherlands 3 6.4%
6 Japan 2 4.3%
7 Macao 2 4.3%
8 Australia 1 2.1%
9 Hong Kong 1 2.1%
10 Ireland 1 2.1%
11 Russia 1 2.1%
12 Singapore 1 2.1%