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 197 61%
2 United States 52 16.1%
3 Germany 30 9.3%
4 Canada 9 2.8%
5 Singapore 7 2.2%
6 Hong Kong 5 1.5%
7 Italy 4 1.2%
8 Russia 4 1.2%
9 Brazil 3 0.9%
10 2 0.6%
11 Australia 2 0.6%
12 Japan 2 0.6%
13 Korea, Republic of 2 0.6%
14 United Kingdom 2 0.6%
15 France 1 0.3%
16 Malaysia 1 0.3%