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 172 53.9%
2 United States 65 20.4%
3 Germany 37 11.6%
4 Canada 16 5%
5 Korea, Republic of 9 2.8%
6 Australia 4 1.3%
7 Macao 3 0.9%
8 Russia 3 0.9%
9 Malaysia 2 0.6%
10 Netherlands 2 0.6%
11 Brazil 2 0.6%
12 France 1 0.3%
13 United Kingdom 1 0.3%
14 Hong Kong 1 0.3%
15 India 1 0.3%