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 199 51.8%
2 United States 101 26.3%
3 Germany 40 10.4%
4 Canada 23 6%
5 Hong Kong 7 1.8%
6 Russia 4 1%
7 Australia 3 0.8%
8 Brazil 2 0.5%
9 France 2 0.5%
10 New Zealand 2 0.5%
11 Mauritius 1 0.3%