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 196 39.4%
2 China 163 32.8%
3 Germany 38 7.6%
4 Netherlands 31 6.2%
5 Hong Kong 15 3%
6 Canada 13 2.6%
7 Singapore 9 1.8%
8 Russia 6 1.2%
9 Malaysia 4 0.8%
10 Taiwan 3 0.6%
11 Australia 3 0.6%
12 Costa Rica 2 0.4%
13 Finland 2 0.4%
14 India 2 0.4%
15 United Kingdom 2 0.4%
16 Sweden 2 0.4%
17 Panama 2 0.4%
18 Viet Nam 2 0.4%
19 Japan 1 0.2%
20 Brazil 1 0.2%