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 United States 47 39.2%
2 China 31 25.8%
3 Germany 9 7.5%
4 Australia 6 5%
5 Malaysia 5 4.2%
6 Switzerland 4 3.3%
7 India 4 3.3%
8 New Zealand 3 2.5%
9 Russia 2 1.7%
10 Macao 2 1.7%
11 Hong Kong 2 1.7%
12 Finland 2 1.7%
13 Japan 1 0.8%
14 Singapore 1 0.8%
15 Taiwan 1 0.8%