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 329 73.4%
2 United States 46 10.3%
3 Germany 37 8.3%
4 Japan 6 1.3%
5 Russia 6 1.3%
6 New Zealand 5 1.1%
7 Canada 5 1.1%
8 Hong Kong 4 0.9%
9 Australia 3 0.7%
10 Malaysia 2 0.4%
11 Singapore 2 0.4%
12 Taiwan 1 0.2%
13 Portugal 1 0.2%
14 Italy 1 0.2%