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 194 56.6%
2 United States 53 15.5%
3 Germany 41 12%
4 Hong Kong 26 7.6%
5 New Zealand 5 1.5%
6 Japan 5 1.5%
7 Switzerland 3 0.9%
8 Canada 3 0.9%
9 Malaysia 2 0.6%
10 Norway 2 0.6%
11 Singapore 2 0.6%
12 Slovakia 2 0.6%
13 Spain 2 0.6%
14 Ireland 1 0.3%
15 Netherlands 1 0.3%
16 Taiwan 1 0.3%