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 163 52.9%
2 United States 56 18.2%
3 Germany 34 11%
4 Canada 20 6.5%
5 Ukraine 4 1.3%
6 Malaysia 4 1.3%
7 Singapore 4 1.3%
8 United Arab Emirates 3 1%
9 Cameroon 3 1%
10 3 1%
11 Australia 2 0.6%
12 Hong Kong 2 0.6%
13 Japan 2 0.6%
14 Sweden 2 0.6%
15 Moldova, Republic of 2 0.6%
16 New Zealand 2 0.6%
17 Italy 1 0.3%
18 France 1 0.3%