BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 39 48.1%
2 China 17 21%
3 Canada 6 7.4%
4 Singapore 5 6.2%
5 Taiwan 3 3.7%
6 France 3 3.7%
7 Germany 3 3.7%
8 Australia 2 2.5%
9 Brazil 1 1.2%
10 New Zealand 1 1.2%
11 Russia 1 1.2%