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 33 44.6%
2 United States 15 20.3%
3 Germany 6 8.1%
4 Japan 5 6.8%
5 Hong Kong 2 2.7%
6 Angola 2 2.7%
7 Singapore 2 2.7%
8 Spain 2 2.7%
9 United Kingdom 2 2.7%
10 Australia 1 1.4%
11 Canada 1 1.4%
12 Korea, Republic of 1 1.4%
13 Malaysia 1 1.4%
14 New Zealand 1 1.4%