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 460 63.4%
2 United States 135 18.6%
3 Germany 24 3.3%
4 Canada 20 2.8%
5 Taiwan 19 2.6%
6 Hong Kong 16 2.2%
7 Malaysia 10 1.4%
8 Ireland 9 1.2%
9 Australia 8 1.1%
10 Singapore 5 0.7%
11 Japan 4 0.6%
12 Russia 3 0.4%
13 Italy 3 0.4%
14 Korea, Republic of 2 0.3%
15 Viet Nam 2 0.3%
16 Uzbekistan 1 0.1%
17 Netherlands 1 0.1%
18 United Kingdom 1 0.1%
19 Brazil 1 0.1%
20 France 1 0.1%