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 207 40.7%
2 United States 163 32%
3 Canada 38 7.5%
4 Germany 29 5.7%
5 Netherlands 19 3.7%
6 Hong Kong 10 2%
7 Malaysia 9 1.8%
8 Singapore 8 1.6%
9 Japan 7 1.4%
10 United Kingdom 6 1.2%
11 Russia 5 1%
12 Taiwan 2 0.4%
13 Poland 2 0.4%
14 Ukraine 1 0.2%
15 Viet Nam 1 0.2%
16 Australia 1 0.2%
17 India 1 0.2%