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 269 41.7%
2 China 213 33%
3 Germany 32 5%
4 Hong Kong 23 3.6%
5 Japan 23 3.6%
6 Canada 18 2.8%
7 Taiwan 16 2.5%
8 Netherlands 13 2%
9 Singapore 9 1.4%
10 Russia 7 1.1%
11 France 7 1.1%
12 United Kingdom 4 0.6%
13 New Zealand 4 0.6%
14 Malaysia 4 0.6%
15 Australia 1 0.2%
16 Hungary 1 0.2%
17 Ireland 1 0.2%