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 195 58%
2 United States 46 13.7%
3 Germany 34 10.1%
4 France 28 8.3%
5 Canada 15 4.5%
6 Singapore 3 0.9%
7 Ukraine 2 0.6%
8 Australia 2 0.6%
9 India 2 0.6%
10 Korea, Republic of 2 0.6%
11 Malaysia 2 0.6%
12 Mauritius 1 0.3%
13 Norway 1 0.3%
14 United Kingdom 1 0.3%
15 Sweden 1 0.3%
16 Hong Kong 1 0.3%