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 170 70.2%
2 United States 23 9.5%
3 Germany 22 9.1%
4 Hong Kong 9 3.7%
5 Netherlands 2 0.8%
6 New Zealand 2 0.8%
7 France 2 0.8%
8 Australia 2 0.8%
9 Brazil 2 0.8%
10 Canada 2 0.8%
11 Singapore 2 0.8%
12 Switzerland 2 0.8%
13 Philippines 1 0.4%
14 Korea, Republic of 1 0.4%