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 195 51.6%
2 United States 90 23.8%
3 Germany 35 9.3%
4 Canada 19 5%
5 Hong Kong 13 3.4%
6 Japan 5 1.3%
7 United Kingdom 4 1.1%
8 Taiwan 4 1.1%
9 Russia 3 0.8%
10 Korea, Republic of 3 0.8%
11 Malaysia 2 0.5%
12 Australia 2 0.5%
13 France 1 0.3%
14 Sri Lanka 1 0.3%
15 Ukraine 1 0.3%