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 403 66.7%
2 United States 105 17.4%
3 Germany 34 5.6%
4 Hong Kong 16 2.6%
5 Canada 15 2.5%
6 Korea, Republic of 8 1.3%
7 Singapore 4 0.7%
8 Russia 3 0.5%
9 Philippines 2 0.3%
10 Taiwan 2 0.3%
11 Malaysia 2 0.3%
12 Japan 2 0.3%
13 Denmark 2 0.3%
14 Bulgaria 2 0.3%
15 Australia 1 0.2%
16 India 1 0.2%
17 Ireland 1 0.2%
18 Netherlands 1 0.2%